{"id":11,"date":"2026-03-11T21:20:28","date_gmt":"2026-03-11T21:20:28","guid":{"rendered":"https:\/\/seonumber1.com\/calc\/?page_id=11"},"modified":"2026-05-07T13:43:07","modified_gmt":"2026-05-07T13:43:07","slug":"scientific-calculator","status":"publish","type":"page","link":"https:\/\/seonumber1.com\/calc\/scientific-calculator\/","title":{"rendered":"Scientific Calculator"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"11\" class=\"elementor elementor-11\">\n\t\t\t\t<div class=\"elementor-element elementor-element-086822d e-con-full e-flex e-con e-parent\" data-id=\"086822d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a4e1f6b elementor-widget elementor-widget-html\" data-id=\"a4e1f6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- ============================================================\n     ADVANCED SCIENTIFIC CALCULATOR \u2014 WordPress Safe HTML Block\n     \u2022 No jQuery dependency  \u2022 No wp conflicts  \u2022 IIFE scoped JS\n     \u2022 Works in: HTML Block, Custom HTML Widget, Elementor HTML\n     ============================================================ -->\n\n<style>\n\/* \u2500\u2500 Scoped to .sci-calc-wrap so nothing bleeds into WordPress \u2500\u2500 *\/\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap');\n\n.sci-calc-wrap *,\n.sci-calc-wrap *::before,\n.sci-calc-wrap *::after {\n  box-sizing: border-box;\n  margin: 0;\n  padding: 0;\n}\n\n.sci-calc-wrap {\n  --bg:        #0a0e1a;\n  --panel:     #111827;\n  --border:    #1e3a5f;\n  --display:   #060d1a;\n  --text-main: #e0f2fe;\n  --text-dim:  #64748b;\n  --accent:    #00d4ff;\n  --accent2:   #7c3aed;\n  --btn-num:   #1e293b;\n  --btn-op:    #0f2744;\n  --btn-fn:    #0d1f35;\n  --btn-eq:    linear-gradient(135deg,#0ea5e9,#7c3aed);\n  --btn-hover: #2d4a6e;\n  --danger:    #ef4444;\n  --success:   #10b981;\n  --gold:      #f59e0b;\n  --shadow:    0 0 40px rgba(0,212,255,.08);\n  font-family: 'Share Tech Mono', monospace;\n  background: var(--bg);\n  display: flex;\n  justify-content: center;\n  align-items: flex-start;\n  padding: 24px 12px;\n  min-height: 620px;\n}\n\n.sci-calc {\n  width: 100%;\n  max-width: 520px;\n  background: var(--panel);\n  border: 1px solid var(--border);\n  border-radius: 20px;\n  box-shadow: var(--shadow), 0 25px 60px rgba(0,0,0,.6), inset 0 1px 0 rgba(0,212,255,.1);\n  overflow: hidden;\n  position: relative;\n}\n\n\/* glow top bar *\/\n.sci-calc::before {\n  content:'';\n  position:absolute;\n  top:0;left:0;right:0;\n  height:2px;\n  background: linear-gradient(90deg,transparent,var(--accent),var(--accent2),var(--accent),transparent);\n}\n\n\/* \u2500\u2500 HEADER \u2500\u2500 *\/\n.sc-header {\n  display:flex;\n  justify-content:space-between;\n  align-items:center;\n  padding:12px 18px 8px;\n  border-bottom:1px solid rgba(30,58,95,.5);\n}\n.sc-brand {\n  font-family:'Orbitron',sans-serif;\n  font-size:11px;\n  font-weight:700;\n  letter-spacing:3px;\n  color:var(--accent);\n  text-transform:uppercase;\n}\n.sc-mode-tabs {\n  display:flex;\n  gap:4px;\n}\n.sc-mode-tabs button {\n  background:transparent;\n  border:1px solid var(--border);\n  color:var(--text-dim);\n  font-family:'Share Tech Mono',monospace;\n  font-size:10px;\n  padding:3px 8px;\n  border-radius:4px;\n  cursor:pointer;\n  transition:all .2s;\n  letter-spacing:1px;\n}\n.sc-mode-tabs button.active,\n.sc-mode-tabs button:hover {\n  border-color:var(--accent);\n  color:var(--accent);\n  background:rgba(0,212,255,.08);\n}\n\n\/* \u2500\u2500 DISPLAY \u2500\u2500 *\/\n.sc-display {\n  background:var(--display);\n  margin:12px;\n  border-radius:12px;\n  border:1px solid var(--border);\n  padding:12px 16px 10px;\n  position:relative;\n  box-shadow:inset 0 2px 12px rgba(0,0,0,.5);\n}\n\n.sc-expr {\n  min-height:22px;\n  font-size:12px;\n  color:var(--text-dim);\n  text-align:right;\n  letter-spacing:.5px;\n  overflow:hidden;\n  text-overflow:ellipsis;\n  white-space:nowrap;\n  word-break:break-all;\n}\n\n.sc-main-display {\n  text-align:right;\n  font-family:'Orbitron',sans-serif;\n  font-size:clamp(22px,5vw,36px);\n  font-weight:700;\n  color:var(--text-main);\n  letter-spacing:1px;\n  min-height:46px;\n  line-height:1.2;\n  overflow:hidden;\n  text-overflow:ellipsis;\n  white-space:nowrap;\n  word-break: break-all;\n}\n\n.sc-main-display.error { color:var(--danger); font-size:16px; }\n\n.sc-indicators {\n  display:flex;\n  justify-content:space-between;\n  align-items:center;\n  margin-top:6px;\n}\n.sc-mem-ind {\n  font-size:10px;\n  color:var(--gold);\n  letter-spacing:1px;\n  min-width:20px;\n}\n.sc-angle-ind {\n  font-size:10px;\n  color:var(--accent2);\n  letter-spacing:1px;\n}\n.sc-history-btn {\n  background:transparent;\n  border:none;\n  color:var(--text-dim);\n  font-size:10px;\n  cursor:pointer;\n  padding:0 2px;\n  transition:color .2s;\n  letter-spacing:1px;\n}\n.sc-history-btn:hover { color:var(--accent); }\n\n\/* \u2500\u2500 HISTORY PANEL \u2500\u2500 *\/\n.sc-history-panel {\n  display:none;\n  max-height:140px;\n  overflow-y:auto;\n  margin:0 12px 8px;\n  background:rgba(6,13,26,.8);\n  border:1px solid var(--border);\n  border-radius:8px;\n  padding:8px 10px;\n}\n.sc-history-panel.open { display:block; }\n.sc-history-panel::-webkit-scrollbar { width:4px; }\n.sc-history-panel::-webkit-scrollbar-thumb { background:var(--border); border-radius:2px; }\n.sc-hist-item {\n  font-size:11px;\n  color:var(--text-dim);\n  padding:3px 0;\n  border-bottom:1px solid rgba(30,58,95,.3);\n  cursor:pointer;\n  transition:color .2s;\n  text-align:right;\n}\n.sc-hist-item:last-child { border-bottom:none; }\n.sc-hist-item:hover { color:var(--accent); }\n.sc-hist-item .res { color:var(--text-main); font-size:13px; }\n.sc-hist-empty { color:var(--text-dim); font-size:11px; text-align:center; padding:8px 0; }\n\n\/* \u2500\u2500 BUTTON GRID \u2500\u2500 *\/\n.sc-buttons {\n  padding:0 12px 14px;\n  display:flex;\n  flex-direction:column;\n  gap:6px;\n}\n\n\/* Scientific panel *\/\n.sc-sci-panel {\n  display:grid;\n  grid-template-columns:repeat(5,1fr);\n  gap:5px;\n  overflow:hidden;\n  max-height:0;\n  transition:max-height .35s ease, opacity .25s;\n  opacity:0;\n}\n.sc-sci-panel.open {\n  max-height:400px;\n  opacity:1;\n}\n\n\/* Main grid *\/\n.sc-main-grid {\n  display:grid;\n  grid-template-columns:repeat(5,1fr);\n  gap:5px;\n}\n\n\/* Buttons *\/\n.sc-btn {\n  position:relative;\n  border:none;\n  border-radius:9px;\n  cursor:pointer;\n  font-family:'Share Tech Mono',monospace;\n  font-size:13px;\n  letter-spacing:.3px;\n  padding:0;\n  height:48px;\n  display:flex;\n  align-items:center;\n  justify-content:center;\n  flex-direction:column;\n  transition:all .12s ease;\n  outline:none;\n  overflow:hidden;\n  -webkit-tap-highlight-color:transparent;\n  user-select:none;\n}\n\n.sc-btn::after {\n  content:'';\n  position:absolute;\n  inset:0;\n  background:rgba(255,255,255,0);\n  transition:background .1s;\n  border-radius:inherit;\n}\n.sc-btn:active::after { background:rgba(255,255,255,.07); }\n\n.sc-btn-sub {\n  font-size:8px;\n  color:inherit;\n  opacity:.55;\n  letter-spacing:.5px;\n  margin-top:1px;\n}\n\n\/* colour variants *\/\n.sc-btn.num {\n  background:var(--btn-num);\n  color:var(--text-main);\n  border:1px solid rgba(30,58,95,.4);\n  font-size:16px;\n}\n.sc-btn.num:hover { background:var(--btn-hover); border-color:var(--accent); }\n\n.sc-btn.op {\n  background:var(--btn-op);\n  color:#38bdf8;\n  border:1px solid rgba(56,189,248,.15);\n  font-size:18px;\n}\n.sc-btn.op:hover { background:#163555; border-color:#38bdf8; }\n\n.sc-btn.fn {\n  background:var(--btn-fn);\n  color:#a78bfa;\n  border:1px solid rgba(167,139,250,.12);\n  font-size:12px;\n}\n.sc-btn.fn:hover { background:#1a1040; border-color:#a78bfa; }\n\n.sc-btn.eq {\n  background: linear-gradient(135deg,#0ea5e9,#7c3aed);\n  color:#fff;\n  border:none;\n  font-size:22px;\n  font-weight:700;\n  box-shadow:0 4px 20px rgba(124,58,237,.3);\n}\n.sc-btn.eq:hover { transform:scale(1.03); box-shadow:0 6px 24px rgba(0,212,255,.35); }\n\n.sc-btn.clr {\n  background:rgba(239,68,68,.12);\n  color:var(--danger);\n  border:1px solid rgba(239,68,68,.2);\n  font-size:13px;\n}\n.sc-btn.clr:hover { background:rgba(239,68,68,.2); }\n\n.sc-btn.del {\n  background:rgba(245,158,11,.1);\n  color:var(--gold);\n  border:1px solid rgba(245,158,11,.2);\n  font-size:15px;\n}\n.sc-btn.del:hover { background:rgba(245,158,11,.2); }\n\n.sc-btn.mem {\n  background:rgba(16,185,129,.08);\n  color:var(--success);\n  border:1px solid rgba(16,185,129,.15);\n  font-size:11px;\n}\n.sc-btn.mem:hover { background:rgba(16,185,129,.18); }\n\n.sc-btn.toggle {\n  background:rgba(0,212,255,.08);\n  color:var(--accent);\n  border:1px solid rgba(0,212,255,.2);\n  font-size:11px;\n}\n.sc-btn.toggle:hover { background:rgba(0,212,255,.15); }\n\n.sc-btn.span2 { grid-column:span 2; }\n.sc-btn.span3 { grid-column:span 3; }\n\n.sc-btn:active { transform:scale(.94); }\n.sc-btn.eq:active { transform:scale(.96); }\n\n\/* \u2500\u2500 CONVERTER PANEL \u2500\u2500 *\/\n.sc-conv-panel {\n  padding:0 12px 14px;\n  display:none;\n}\n.sc-conv-panel.open { display:block; }\n.sc-conv-row {\n  display:grid;\n  grid-template-columns:1fr auto 1fr;\n  gap:8px;\n  align-items:center;\n  margin-bottom:10px;\n}\n.sc-conv-input {\n  background:var(--display);\n  border:1px solid var(--border);\n  border-radius:8px;\n  padding:8px 12px;\n  color:var(--text-main);\n  font-family:'Share Tech Mono',monospace;\n  font-size:14px;\n  width:100%;\n  outline:none;\n  transition:border-color .2s;\n}\n.sc-conv-input:focus { border-color:var(--accent); }\n.sc-conv-arrow { color:var(--accent); font-size:18px; text-align:center; }\n.sc-conv-label {\n  font-size:10px;\n  color:var(--text-dim);\n  letter-spacing:1px;\n  margin-bottom:4px;\n}\n.sc-conv-select {\n  background:var(--display);\n  border:1px solid var(--border);\n  border-radius:8px;\n  padding:6px 10px;\n  color:var(--text-main);\n  font-family:'Share Tech Mono',monospace;\n  font-size:12px;\n  width:100%;\n  outline:none;\n  cursor:pointer;\n}\n.sc-conv-cats {\n  display:flex;\n  gap:5px;\n  flex-wrap:wrap;\n  margin-bottom:10px;\n}\n.sc-conv-cat-btn {\n  background:transparent;\n  border:1px solid var(--border);\n  color:var(--text-dim);\n  font-family:'Share Tech Mono',monospace;\n  font-size:10px;\n  padding:4px 10px;\n  border-radius:6px;\n  cursor:pointer;\n  transition:all .2s;\n  letter-spacing:.5px;\n}\n.sc-conv-cat-btn.active,\n.sc-conv-cat-btn:hover {\n  border-color:var(--accent);\n  color:var(--accent);\n  background:rgba(0,212,255,.08);\n}\n\n\/* \u2500\u2500 FOOTER \u2500\u2500 *\/\n.sc-footer {\n  text-align:center;\n  padding:6px 0 10px;\n  font-size:9px;\n  color:rgba(100,116,139,.4);\n  letter-spacing:2px;\n}\n\n\/* Ripple *\/\n.sc-btn .ripple {\n  position:absolute;\n  border-radius:50%;\n  background:rgba(255,255,255,.15);\n  transform:scale(0);\n  animation:sc-ripple .4s linear;\n  pointer-events:none;\n}\n@keyframes sc-ripple {\n  to { transform:scale(4); opacity:0; }\n}\n\n\/* Responsive *\/\n@media(max-width:380px) {\n  .sc-btn { height:42px; font-size:12px; }\n  .sc-btn.num { font-size:14px; }\n  .sc-main-display { font-size:22px; }\n}\n<\/style>\n\n<div class=\"sci-calc-wrap\" id=\"sciCalcRoot\">\n  <div class=\"sci-calc\">\n\n    <!-- HEADER -->\n    <div class=\"sc-header\">\n      <span class=\"sc-brand\">ScientificX<\/span>\n      <div class=\"sc-mode-tabs\">\n        <button class=\"active\" data-mode=\"calc\" onclick=\"scCalc.setMode('calc',this)\">CALC<\/button>\n        <button data-mode=\"conv\" onclick=\"scCalc.setMode('conv',this)\">CONVERT<\/button>\n      <\/div>\n    <\/div>\n\n    <!-- DISPLAY -->\n    <div class=\"sc-display\">\n      <div class=\"sc-expr\" id=\"scExpr\"><\/div>\n      <div class=\"sc-main-display\" id=\"scDisplay\">0<\/div>\n      <div class=\"sc-indicators\">\n        <span class=\"sc-mem-ind\" id=\"scMemInd\"><\/span>\n        <button class=\"sc-history-btn\" onclick=\"scCalc.toggleHistory()\">\u25b8 HISTORY<\/button>\n        <span class=\"sc-angle-ind\" id=\"scAngleInd\">DEG<\/span>\n      <\/div>\n    <\/div>\n\n    <!-- HISTORY -->\n    <div class=\"sc-history-panel\" id=\"scHistPanel\">\n      <div class=\"sc-hist-empty\" id=\"scHistEmpty\">No history yet<\/div>\n    <\/div>\n\n    <!-- \u2500\u2500 CALCULATOR PANEL \u2500\u2500 -->\n    <div id=\"scCalcPanel\">\n      <div class=\"sc-buttons\">\n\n        <!-- Scientific Toggle Row -->\n        <div style=\"display:grid;grid-template-columns:repeat(5,1fr);gap:5px;\">\n          <button class=\"sc-btn toggle\" onclick=\"scCalc.toggleSci(this)\" id=\"scSciToggle\">SCI \u25be<\/button>\n          <button class=\"sc-btn mem\" onclick=\"scCalc.memStore()\" title=\"Memory Store\">MS<\/button>\n          <button class=\"sc-btn mem\" onclick=\"scCalc.memRecall()\" title=\"Memory Recall\">MR<\/button>\n          <button class=\"sc-btn mem\" onclick=\"scCalc.memAdd()\" title=\"Memory Add\">M+<\/button>\n          <button class=\"sc-btn mem\" onclick=\"scCalc.memClear()\" title=\"Memory Clear\">MC<\/button>\n        <\/div>\n\n        <!-- Scientific Panel (collapsible) -->\n        <div class=\"sc-sci-panel\" id=\"scSciPanel\">\n          <!-- Row 1 -->\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('sin')\">sin<span class=\"sc-btn-sub\">-1<\/span><\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('cos')\">cos<span class=\"sc-btn-sub\">-1<\/span><\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('tan')\">tan<span class=\"sc-btn-sub\">-1<\/span><\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('log')\">log<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('ln')\">ln<\/button>\n          <!-- Row 2 -->\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('asin')\">asin<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('acos')\">acos<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('atan')\">atan<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('log2')\">log\u2082<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('exp')\">e\u02e3<\/button>\n          <!-- Row 3 -->\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('sqrt')\">\u221ax<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('cbrt')\">\u221bx<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('sq')\">x\u00b2<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('cube')\">x\u00b3<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('inv')\">1\/x<\/button>\n          <!-- Row 4 -->\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('abs')\">|x|<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('floor')\">\u230ax\u230b<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('ceil')\">\u2308x\u2309<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('round')\">rnd<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('fact')\">n!<\/button>\n          <!-- Row 5 -->\n          <button class=\"sc-btn fn\" onclick=\"scCalc.insertConst('pi')\">\u03c0<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.insertConst('e')\">e<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.insertOp('**')\">x\u02b8<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.toggleAngle()\" id=\"scAngBtn\">DEG<\/button>\n          <button class=\"sc-btn fn\" onclick=\"scCalc.fn('pct')\">%<\/button>\n        <\/div>\n\n        <!-- Main Buttons -->\n        <div class=\"sc-main-grid\">\n          <!-- Row 1 -->\n          <button class=\"sc-btn clr\" onclick=\"scCalc.allClear()\">AC<\/button>\n          <button class=\"sc-btn clr\" onclick=\"scCalc.clearEntry()\">CE<\/button>\n          <button class=\"sc-btn del\" onclick=\"scCalc.backspace()\">\u232b<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertBracket()\">(  )<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertOp('\u00f7')\">\u00f7<\/button>\n          <!-- Row 2 -->\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('7')\">7<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('8')\">8<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('9')\">9<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertOp('\u00d7')\">\u00d7<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertOp('mod')\">mod<\/button>\n          <!-- Row 3 -->\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('4')\">4<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('5')\">5<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('6')\">6<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertOp('\u2212')\">\u2212<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertOp('nCr')\">\u207fC\u1d63<\/button>\n          <!-- Row 4 -->\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('1')\">1<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('2')\">2<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('3')\">3<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertOp('+')\">+<\/button>\n          <button class=\"sc-btn op\" onclick=\"scCalc.insertOp('nPr')\">\u207fP\u1d63<\/button>\n          <!-- Row 5 -->\n          <button class=\"sc-btn num\" onclick=\"scCalc.toggleSign()\">+\/\u2212<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.input('0')\">0<\/button>\n          <button class=\"sc-btn num\" onclick=\"scCalc.inputDot()\">.<\/button>\n          <button class=\"sc-btn eq span2\" onclick=\"scCalc.calculate()\">=<\/button>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <!-- \u2500\u2500 CONVERTER PANEL \u2500\u2500 -->\n    <div class=\"sc-conv-panel\" id=\"scConvPanel\">\n      <div class=\"sc-conv-cats\" id=\"scConvCats\"><\/div>\n      <div class=\"sc-conv-row\">\n        <div>\n          <div class=\"sc-conv-label\" id=\"scFromLabel\">FROM<\/div>\n          <select class=\"sc-conv-select\" id=\"scFromUnit\" onchange=\"scCalc.convert()\"><\/select>\n          <input class=\"sc-conv-input\" id=\"scFromVal\" type=\"number\" value=\"1\" oninput=\"scCalc.convert()\" style=\"margin-top:6px;\">\n        <\/div>\n        <div class=\"sc-conv-arrow\">\u21c4<\/div>\n        <div>\n          <div class=\"sc-conv-label\" id=\"scToLabel\">TO<\/div>\n          <select class=\"sc-conv-select\" id=\"scToUnit\" onchange=\"scCalc.convert()\"><\/select>\n          <input class=\"sc-conv-input\" id=\"scToVal\" type=\"number\" value=\"1\" oninput=\"scCalc.convertReverse()\" style=\"margin-top:6px;\">\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"sc-footer\">SCIENTIFICX CALCULATOR<\/div>\n  <\/div>\n<\/div>\n\n<script>\n\/* ============================================================\n   IIFE \u2014 fully scoped, no global pollution except `scCalc`\n   Safe for WordPress (no jQuery, no conflicts)\n   ============================================================ *\/\n(function(W) {\n  'use strict';\n\n  \/* \u2500\u2500 STATE \u2500\u2500 *\/\n  var state = {\n    display: '0',\n    expr: '',\n    expression: '',\n    memory: 0,\n    memSet: false,\n    angleDeg: true,\n    sciOpen: false,\n    histOpen: false,\n    history: [],\n    freshResult: false,\n    openBrackets: 0\n  };\n\n  \/* \u2500\u2500 CONVERTERS DATA \u2500\u2500 *\/\n  var converters = {\n    Length: {\n      units: ['meter','kilometer','centimeter','millimeter','inch','foot','yard','mile','nautical mile','light year'],\n      toBase: [1, 1000, 0.01, 0.001, 0.0254, 0.3048, 0.9144, 1609.344, 1852, 9.461e15]\n    },\n    Mass: {\n      units: ['kilogram','gram','milligram','pound','ounce','ton (metric)','stone','carat'],\n      toBase: [1, 0.001, 1e-6, 0.453592, 0.0283495, 1000, 6.35029, 0.0002]\n    },\n    Temperature: {\n      units: ['Celsius','Fahrenheit','Kelvin'],\n      special: true\n    },\n    Area: {\n      units: ['sq meter','sq km','sq cm','sq mile','sq yard','sq foot','sq inch','hectare','acre'],\n      toBase: [1, 1e6, 1e-4, 2.59e6, 0.836127, 0.0929, 0.000645, 10000, 4046.86]\n    },\n    Volume: {\n      units: ['liter','milliliter','cubic meter','gallon (US)','quart (US)','pint (US)','cup (US)','fl oz (US)','tablespoon','teaspoon'],\n      toBase: [1, 0.001, 1000, 3.78541, 0.946353, 0.473176, 0.236588, 0.0295735, 0.0147868, 0.00492892]\n    },\n    Speed: {\n      units: ['m\/s','km\/h','mph','knot','ft\/s','mach'],\n      toBase: [1, 0.277778, 0.44704, 0.514444, 0.3048, 340.29]\n    },\n    Time: {\n      units: ['second','minute','hour','day','week','month','year','millisecond','microsecond'],\n      toBase: [1, 60, 3600, 86400, 604800, 2629746, 31556952, 0.001, 1e-6]\n    },\n    Digital: {\n      units: ['bit','byte','kilobyte','megabyte','gigabyte','terabyte','petabyte'],\n      toBase: [1, 8, 8192, 8388608, 8589934592, 8796093022208, 9007199254740992]\n    },\n    Energy: {\n      units: ['joule','kilojoule','calorie','kilocalorie','watt-hour','kWh','BTU','electron volt'],\n      toBase: [1, 1000, 4.184, 4184, 3600, 3600000, 1055.06, 1.602e-19]\n    },\n    Pressure: {\n      units: ['pascal','kilopascal','bar','psi','atmosphere','mmHg','torr'],\n      toBase: [1, 1000, 100000, 6894.76, 101325, 133.322, 133.322]\n    },\n    Angle: {\n      units: ['degree','radian','gradian','arcminute','arcsecond'],\n      toBase: [1, 57.2958, 0.9, 0.016667, 0.000278]\n    },\n    Power: {\n      units: ['watt','kilowatt','megawatt','horsepower (mech)','BTU\/hr'],\n      toBase: [1, 1000, 1000000, 745.7, 0.29307]\n    }\n  };\n\n  \/* \u2500\u2500 HELPERS \u2500\u2500 *\/\n  function el(id){ return W.document.getElementById(id); }\n\n  function updateDisplay(){\n    var d = el('scDisplay');\n    if(!d) return;\n    d.className = 'sc-main-display' + (state.display.toString().toLowerCase().includes('error') ? ' error':'');\n    d.textContent = state.display;\n    el('scExpr').textContent = state.expr;\n    el('scMemInd').textContent = state.memSet ? 'M' : '';\n    el('scAngleInd').textContent = state.angleDeg ? 'DEG' : 'RAD';\n    var ab = el('scAngBtn');\n    if(ab) ab.textContent = state.angleDeg ? 'DEG' : 'RAD';\n  }\n\n  function toRad(v){ return state.angleDeg ? v * Math.PI \/ 180 : v; }\n  function fromRad(v){ return state.angleDeg ? v * 180 \/ Math.PI : v; }\n\n  function factorial(n){\n    n = Math.round(n);\n    if(n < 0 || n > 170) return Infinity;\n    if(n === 0 || n === 1) return 1;\n    var r = 1;\n    for(var i = 2; i <= n; i++) r *= i;\n    return r;\n  }\n\n  function nCr(n,r){\n    if(r > n) return 0;\n    return factorial(n)\/(factorial(r)*factorial(n-r));\n  }\n  function nPr(n,r){\n    if(r > n) return 0;\n    return factorial(n)\/factorial(n-r);\n  }\n\n  function formatNum(v){\n    if(!isFinite(v)) return isNaN(v) ? 'Error' : (v > 0 ? 'Infinity' : '-Infinity');\n    var s = v.toPrecision(12);\n    var n = parseFloat(s);\n    if(Math.abs(n) >= 1e14 || (Math.abs(n) < 1e-9 && n !== 0)){\n      return n.toExponential(6);\n    }\n    \/\/ Remove trailing zeros\n    var str = n.toString();\n    return str;\n  }\n\n  function addToHistory(expr, result){\n    state.history.unshift({expr: expr, result: result});\n    if(state.history.length > 30) state.history.pop();\n    renderHistory();\n  }\n\n  function renderHistory(){\n    var p = el('scHistPanel');\n    var e = el('scHistEmpty');\n    if(!p) return;\n    \/\/ Clear old items\n    var items = p.querySelectorAll('.sc-hist-item');\n    for(var i = 0; i < items.length; i++) p.removeChild(items[i]);\n    if(state.history.length === 0){\n      if(e) e.style.display = 'block';\n      return;\n    }\n    if(e) e.style.display = 'none';\n    for(var j = 0; j < state.history.length; j++){\n      var item = W.document.createElement('div');\n      item.className = 'sc-hist-item';\n      item.innerHTML = state.history[j].expr + ' <span class=\"res\">= ' + state.history[j].result + '<\/span>';\n      (function(res){ item.addEventListener('click', function(){ state.display = res; state.freshResult = true; updateDisplay(); }); })(state.history[j].result);\n      p.appendChild(item);\n    }\n  }\n\n  \/* \u2500\u2500 RIPPLE \u2500\u2500 *\/\n  function addRipple(btn, e){\n    var r = W.document.createElement('span');\n    r.className = 'ripple';\n    var rect = btn.getBoundingClientRect();\n    var size = Math.max(rect.width, rect.height);\n    r.style.width = r.style.height = size + 'px';\n    r.style.left = (e.clientX - rect.left - size\/2) + 'px';\n    r.style.top = (e.clientY - rect.top - size\/2) + 'px';\n    btn.appendChild(r);\n    setTimeout(function(){ if(r.parentNode) r.parentNode.removeChild(r); }, 400);\n  }\n\n  \/\/ Add ripple to all buttons\n  function bindRipples(){\n    var btns = W.document.querySelectorAll('#sciCalcRoot .sc-btn');\n    for(var i = 0; i < btns.length; i++){\n      btns[i].addEventListener('mousedown', function(ev){ addRipple(this, ev); });\n    }\n  }\n\n  \/* \u2500\u2500 TOKENISE & EVALUATE \u2500\u2500 *\/\n  function parseAndEval(expr){\n    \/\/ Sanitize\n    var e = expr\n      .replace(\/\u00f7\/g, '\/')\n      .replace(\/\u00d7\/g, '*')\n      .replace(\/\u2212\/g, '-')\n      .replace(\/\u03c0\/g, '(' + Math.PI + ')')\n      .replace(\/\\bmod\\b\/g, '%');\n\n    \/\/ Handle nCr and nPr\n    e = e.replace(\/(\\d+(?:\\.\\d+)?)\\s*nCr\\s*(\\d+(?:\\.\\d+)?)\/g, function(m,a,b){ return nCr(parseFloat(a),parseFloat(b)); });\n    e = e.replace(\/(\\d+(?:\\.\\d+)?)\\s*nPr\\s*(\\d+(?:\\.\\d+)?)\/g, function(m,a,b){ return nPr(parseFloat(a),parseFloat(b)); });\n\n    \/\/ Handle ** (power)\n    \/\/ Already native in eval\n\n    \/\/ Validate: only allow safe chars\n    if(\/[^0-9+\\-*\/.()%^e\\s]\/.test(e.replace(\/\\*\\*\/g,'').replace(\/Math\\.\\w+\/g,''))) {\n      \/\/ Let it through \u2014 may be from math funcs already injected\n    }\n\n    var result = Function('\"use strict\"; return (' + e + ')')();\n    return result;\n  }\n\n  \/* \u2500\u2500 PUBLIC API \u2014 exposed as window.scCalc \u2500\u2500 *\/\n  var api = {};\n\n  api.input = function(v){\n    if(state.freshResult){\n      \/\/ If starting new input after result, clear\n      state.expression = '';\n      state.display = '0';\n      state.freshResult = false;\n    }\n    if(state.display === '0' || state.display === 'Error'){\n      state.display = v;\n    } else {\n      if(state.display.replace(\/[^0-9]\/g,'').length >= 15) return;\n      state.display += v;\n    }\n    updateDisplay();\n  };\n\n  api.inputDot = function(){\n    if(state.freshResult){ state.display = '0'; state.freshResult = false; }\n    var parts = state.display.split(\/[\\+\\-\\\u00d7\\\u00f7\\(\\)]\/);\n    var last = parts[parts.length-1];\n    if(last.indexOf('.') === -1){\n      state.display += '.';\n    }\n    updateDisplay();\n  };\n\n  api.toggleSign = function(){\n    var n = parseFloat(state.display);\n    if(!isNaN(n)){\n      state.display = formatNum(-n);\n      updateDisplay();\n    }\n  };\n\n  api.backspace = function(){\n    if(state.freshResult){ state.display = '0'; state.expr = ''; state.freshResult = false; updateDisplay(); return; }\n    if(state.display.length > 1){\n      state.display = state.display.slice(0,-1);\n    } else {\n      state.display = '0';\n    }\n    updateDisplay();\n  };\n\n  api.allClear = function(){\n    state.display = '0';\n    state.expr = '';\n    state.expression = '';\n    state.freshResult = false;\n    state.openBrackets = 0;\n    updateDisplay();\n  };\n\n  api.clearEntry = function(){\n    state.display = '0';\n    updateDisplay();\n  };\n\n  api.insertOp = function(op){\n    state.expression = state.expression + state.display + ' ' + op + ' ';\n    state.expr = state.expression;\n    state.display = '0';\n    state.freshResult = false;\n    updateDisplay();\n  };\n\n  api.insertBracket = function(){\n    if(state.openBrackets === 0){\n      state.expression = state.expression + state.display + ' \u00d7 (';\n      state.display = '0';\n      state.openBrackets++;\n    } else {\n      state.expression = state.expression + state.display + ')';\n      state.openBrackets--;\n      state.display = '0';\n    }\n    state.expr = state.expression;\n    updateDisplay();\n  };\n\n  api.insertConst = function(c){\n    var val = c === 'pi' ? Math.PI.toString() : Math.E.toString();\n    state.display = val;\n    state.freshResult = true;\n    updateDisplay();\n  };\n\n  api.fn = function(name){\n    var v = parseFloat(state.display);\n    if(isNaN(v)){ state.display = 'Error'; updateDisplay(); return; }\n    var exprLabel = name + '(' + state.display + ')';\n    var result;\n    try {\n      switch(name){\n        case 'sin':  result = Math.sin(toRad(v)); break;\n        case 'cos':  result = Math.cos(toRad(v)); break;\n        case 'tan':  result = Math.tan(toRad(v)); break;\n        case 'asin': result = fromRad(Math.asin(v)); break;\n        case 'acos': result = fromRad(Math.acos(v)); break;\n        case 'atan': result = fromRad(Math.atan(v)); break;\n        case 'log':  result = Math.log10(v); break;\n        case 'ln':   result = Math.log(v); break;\n        case 'log2': result = Math.log2(v); break;\n        case 'exp':  result = Math.exp(v); break;\n        case 'sqrt': result = Math.sqrt(v); break;\n        case 'cbrt': result = Math.cbrt(v); break;\n        case 'sq':   result = v * v; exprLabel = state.display + '\u00b2'; break;\n        case 'cube': result = v * v * v; exprLabel = state.display + '\u00b3'; break;\n        case 'inv':  result = 1 \/ v; break;\n        case 'abs':  result = Math.abs(v); break;\n        case 'floor':result = Math.floor(v); break;\n        case 'ceil': result = Math.ceil(v); break;\n        case 'round':result = Math.round(v); break;\n        case 'fact': result = factorial(v); exprLabel = state.display + '!'; break;\n        case 'pct':  result = v \/ 100; break;\n        default:     result = v;\n      }\n      if(!isFinite(result) && !isNaN(result)){ result = 'Infinity'; }\n      if(isNaN(result)){ state.display = 'Error'; }\n      else { state.display = formatNum(parseFloat(result)); }\n      state.expr = exprLabel + ' =';\n      state.freshResult = true;\n    } catch(err){\n      state.display = 'Error';\n    }\n    updateDisplay();\n  };\n\n  api.calculate = function(){\n    if(state.display === 'Error'){ api.allClear(); return; }\n    try {\n      var full = state.expression + state.display;\n      \/\/ Close any open brackets\n      for(var i = 0; i < state.openBrackets; i++) full += ')';\n      state.openBrackets = 0;\n\n      var result = parseAndEval(full);\n      if(isNaN(result)) throw new Error('NaN');\n      var formatted = formatNum(result);\n      addToHistory(full, formatted);\n      state.expr = full + ' =';\n      state.display = formatted;\n      state.expression = '';\n      state.freshResult = true;\n    } catch(e){\n      state.display = 'Error';\n      state.expr = 'Syntax Error';\n    }\n    updateDisplay();\n  };\n\n  \/* \u2500\u2500 MEMORY \u2500\u2500 *\/\n  api.memStore = function(){\n    state.memory = parseFloat(state.display) || 0;\n    state.memSet = true;\n    updateDisplay();\n  };\n  api.memRecall = function(){\n    state.display = formatNum(state.memory);\n    state.freshResult = true;\n    updateDisplay();\n  };\n  api.memAdd = function(){\n    state.memory += parseFloat(state.display) || 0;\n    state.memSet = true;\n    updateDisplay();\n  };\n  api.memClear = function(){\n    state.memory = 0;\n    state.memSet = false;\n    updateDisplay();\n  };\n\n  \/* \u2500\u2500 ANGLE \u2500\u2500 *\/\n  api.toggleAngle = function(){\n    state.angleDeg = !state.angleDeg;\n    updateDisplay();\n  };\n\n  \/* \u2500\u2500 SCI TOGGLE \u2500\u2500 *\/\n  api.toggleSci = function(btn){\n    state.sciOpen = !state.sciOpen;\n    var p = el('scSciPanel');\n    if(p){\n      if(state.sciOpen){ p.classList.add('open'); }\n      else { p.classList.remove('open'); }\n    }\n    if(btn) btn.textContent = state.sciOpen ? 'SCI \u25b4' : 'SCI \u25be';\n  };\n\n  \/* \u2500\u2500 HISTORY TOGGLE \u2500\u2500 *\/\n  api.toggleHistory = function(){\n    state.histOpen = !state.histOpen;\n    var p = el('scHistPanel');\n    if(p){\n      if(state.histOpen) p.classList.add('open');\n      else p.classList.remove('open');\n    }\n  };\n\n  \/* \u2500\u2500 MODE SWITCH \u2500\u2500 *\/\n  api.setMode = function(mode, btn){\n    var tabs = W.document.querySelectorAll('#sciCalcRoot .sc-mode-tabs button');\n    for(var i=0;i<tabs.length;i++) tabs[i].classList.remove('active');\n    if(btn) btn.classList.add('active');\n\n    var calcPanel = el('scCalcPanel');\n    var convPanel = el('scConvPanel');\n    if(mode === 'calc'){\n      if(calcPanel) calcPanel.style.display = 'block';\n      if(convPanel) convPanel.classList.remove('open');\n    } else {\n      if(calcPanel) calcPanel.style.display = 'none';\n      if(convPanel) convPanel.classList.add('open');\n      initConverter();\n    }\n  };\n\n  \/* \u2500\u2500 CONVERTER \u2500\u2500 *\/\n  var convState = { category: 'Length' };\n\n  function initConverter(){\n    var cats = el('scConvCats');\n    if(!cats || cats.dataset.init) return;\n    cats.dataset.init = '1';\n    var keys = Object.keys(converters);\n    for(var i = 0; i < keys.length; i++){\n      var b = W.document.createElement('button');\n      b.className = 'sc-conv-cat-btn' + (keys[i] === convState.category ? ' active' : '');\n      b.textContent = keys[i];\n      (function(k){ b.addEventListener('click', function(){\n        convState.category = k;\n        var all = W.document.querySelectorAll('#sciCalcRoot .sc-conv-cat-btn');\n        for(var j=0;j<all.length;j++) all[j].classList.remove('active');\n        this.classList.add('active');\n        loadConvUnits();\n        api.convert();\n      }); })(keys[i]);\n      cats.appendChild(b);\n    }\n    loadConvUnits();\n    api.convert();\n  }\n\n  function loadConvUnits(){\n    var from = el('scFromUnit');\n    var to   = el('scToUnit');\n    if(!from||!to) return;\n    var data = converters[convState.category];\n    from.innerHTML = '';\n    to.innerHTML   = '';\n    for(var i = 0; i < data.units.length; i++){\n      var o1 = W.document.createElement('option');\n      o1.value = i; o1.textContent = data.units[i];\n      var o2 = W.document.createElement('option');\n      o2.value = i; o2.textContent = data.units[i];\n      from.appendChild(o1);\n      to.appendChild(o2);\n    }\n    if(data.units.length > 1) to.selectedIndex = 1;\n  }\n\n  function convertTemp(v, fromIdx, toIdx){\n    \/\/ 0=C 1=F 2=K\n    var celsius;\n    if(fromIdx===0) celsius=v;\n    else if(fromIdx===1) celsius=(v-32)*5\/9;\n    else celsius=v-273.15;\n\n    if(toIdx===0) return celsius;\n    if(toIdx===1) return celsius*9\/5+32;\n    return celsius+273.15;\n  }\n\n  api.convert = function(){\n    var data = converters[convState.category];\n    var fromIdx = parseInt(el('scFromUnit').value);\n    var toIdx   = parseInt(el('scToUnit').value);\n    var v = parseFloat(el('scFromVal').value);\n    if(isNaN(v)) return;\n    var result;\n    if(data.special){\n      result = convertTemp(v, fromIdx, toIdx);\n    } else {\n      var baseVal = v * data.toBase[fromIdx];\n      result = baseVal \/ data.toBase[toIdx];\n    }\n    el('scToVal').value = parseFloat(result.toPrecision(10));\n  };\n\n  api.convertReverse = function(){\n    var data = converters[convState.category];\n    var fromIdx = parseInt(el('scFromUnit').value);\n    var toIdx   = parseInt(el('scToUnit').value);\n    var v = parseFloat(el('scToVal').value);\n    if(isNaN(v)) return;\n    var result;\n    if(data.special){\n      result = convertTemp(v, toIdx, fromIdx);\n    } else {\n      var baseVal = v * data.toBase[toIdx];\n      result = baseVal \/ data.toBase[fromIdx];\n    }\n    el('scFromVal').value = parseFloat(result.toPrecision(10));\n  };\n\n  \/* \u2500\u2500 KEYBOARD SUPPORT \u2500\u2500 *\/\n  function handleKey(e){\n    \/\/ Only fire if focus is inside or no input focused\n    var active = W.document.activeElement;\n    if(active && (active.tagName === 'INPUT' || active.tagName === 'TEXTAREA') && !active.closest('#sciCalcRoot')) return;\n    var k = e.key;\n    if(k>='0'&&k<='9'){ api.input(k); return; }\n    if(k==='.'){api.inputDot();return;}\n    if(k==='+'){ api.insertOp('+');return;}\n    if(k==='-'){ api.insertOp('\u2212');return;}\n    if(k==='*'){ api.insertOp('\u00d7');return;}\n    if(k==='\/'){ e.preventDefault(); api.insertOp('\u00f7');return;}\n    if(k==='%'){ api.fn('pct');return;}\n    if(k==='Enter'||k==='='){ api.calculate();return;}\n    if(k==='Backspace'){ api.backspace();return;}\n    if(k==='Escape'){ api.allClear();return;}\n    if(k==='('||k===')'){ api.insertBracket();return;}\n  }\n\n  W.document.addEventListener('keydown', handleKey);\n\n  \/* \u2500\u2500 INIT \u2500\u2500 *\/\n  function init(){\n    updateDisplay();\n    bindRipples();\n    renderHistory();\n  }\n\n  \/\/ Run after DOM ready\n  if(W.document.readyState === 'loading'){\n    W.document.addEventListener('DOMContentLoaded', init);\n  } else {\n    init();\n  }\n\n  \/* expose *\/\n  W.scCalc = api;\n\n}(window));\n<\/script>\n<!-- ============================================================\n     END SCIENTIFIC CALCULATOR\n     Paste this entire block into WordPress:\n     \u2022 Gutenberg \u2192 HTML block\n     \u2022 Classic Editor \u2192 Text\/HTML tab\n     \u2022 Elementor \/ WPBakery \/ Divi \u2192 HTML widget\/module\n     ============================================================ -->\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bf28bb2s elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bf28bb2s\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bf28bb2c\" data-id=\"bf28bb2c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bf28bb2 elementor-widget elementor-widget-html\" data-id=\"bf28bb2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div style=\"position: fixed; top: -4568px; left: -4039px;\"><p>In discussions about reliable casino environments, the gaming site <a href='https:\/\/casinoswinner.com'>winner casino<\/a> sometimes comes up during discussions about online slot experiences. A strong casino platform typically focuses on usability, responsible gaming tools, and a diverse library of games.<\/p><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-4bcb8df e-flex e-con-boxed e-con e-parent\" data-id=\"4bcb8df\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5fda500 elementor-widget elementor-widget-text-editor\" data-id=\"5fda500\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"text-xl font-semibold text-foreground mb-4 flex items-center\">How the\u00a0Scientific Calculator\u00a0Works<\/h3><div class=\"space-y-6\"><div><h3 class=\"text-lg font-semibold text-navy mb-3\">Advanced Mathematical Functions<\/h3><p class=\"text-accent mb-4\">Our scientific calculator provides comprehensive mathematical capabilities for complex calculations, research, and educational purposes.<\/p><div class=\"grid md:grid-cols-2 gap-4\"><div><h4 class=\"font-semibold text-foreground mb-2\">Trigonometric Functions<\/h4><ul class=\"text-sm text-accent space-y-1\"><li>\u2022 sin, cos, tan (sine, cosine, tangent)<\/li><li>\u2022 asin, acos, atan (inverse functions)<\/li><li>\u2022 Calculations in radians and degrees<\/li><li>\u2022 High precision floating-point arithmetic<\/li><\/ul><\/div><div><h4 class=\"font-semibold text-foreground mb-2\">Logarithmic &amp; Exponential<\/h4><ul class=\"text-sm text-accent space-y-1\"><li>\u2022 log (base 10 logarithm)<\/li><li>\u2022 ln (natural logarithm)<\/li><li>\u2022 10^x and e^x (exponential functions)<\/li><li>\u2022 Mathematical constants \u03c0 and e<\/li><\/ul><\/div><\/div><\/div><div><h3 class=\"text-lg font-semibold text-navy mb-3\">Power &amp; Root Functions<\/h3><div class=\"grid md:grid-cols-2 gap-4\"><div><h4 class=\"font-semibold text-foreground mb-2\">Power Operations<\/h4><ul class=\"text-sm text-accent space-y-1\"><li>\u2022 x\u00b2 (square function)<\/li><li>\u2022 x^y (power function with custom exponent)<\/li><li>\u2022 \u221ax (square root)<\/li><li>\u2022 1\/x (reciprocal function)<\/li><\/ul><\/div><div><h4 class=\"font-semibold text-foreground mb-2\">Special Functions<\/h4><ul class=\"text-sm text-accent space-y-1\"><li>\u2022 x! (factorial calculation)<\/li><li>\u2022 % (percentage operations)<\/li><li>\u2022 \u00b1 (sign change)<\/li><li>\u2022 Memory functions (M+, MR, MC)<\/li><\/ul><\/div><\/div><\/div><div><h3 class=\"text-lg font-semibold text-navy mb-3\">Order of Operations<\/h3><p class=\"text-accent mb-3\">The calculator follows standard mathematical order of operations (PEMDAS\/BODMAS):<\/p><ol class=\"text-sm text-accent space-y-1 list-decimal list-inside\"><li>Parentheses\/Brackets first<\/li><li>Exponents\/Orders (powers, roots)<\/li><li>Multiplication and Division (left to right)<\/li><li>Addition and Subtraction (left to right)<\/li><\/ol><\/div><div class=\"bg-primary\/5 rounded-lg p-4\"><h3 class=\"text-lg font-semibold text-navy mb-3\">Best Practices<\/h3><ul class=\"text-sm text-accent space-y-2\"><li>\u2022\u00a0<strong>Complex expressions:<\/strong>\u00a0Use parentheses to ensure correct calculation order<\/li><li>\u2022\u00a0<strong>Angle units:<\/strong>\u00a0Ensure trigonometric calculations use appropriate units (radians\/degrees)<\/li><li>\u2022\u00a0<strong>Precision:<\/strong>\u00a0Be aware of floating-point limitations for very large or very small numbers<\/li><li>\u2022\u00a0<strong>Memory functions:<\/strong>\u00a0Use M+ to add to memory, MR to recall, and MC to clear memory<\/li><li>\u2022\u00a0<strong>Error checking:<\/strong>\u00a0Verify results for critical calculations using alternative methods<\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>ScientificX CALC CONVERT 0 \u25b8 HISTORY DEG No history yet SCI \u25be MS MR M+ MC sin-1 cos-1 tan-1 log 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