Sci-Fi Calculator – The Futuristic Online Calculator You Didn’t Know You Needed
In the world of digital tools, the humble calculator has finally received a futuristic upgrade. Say hello to the Sci-Fi Calculator – a free, online calculator loaded with graphing capabilities, sound effects, light/dark themes, and client-side intelligence
🚀 What is the Sci-Fi Calculator?
The Sci-Fi Calculator is a cutting-edge online calculator made for engineers, educators, students, and anybody else who appreciates a beautiful user interface and clever features. Constructed using HTML, JavaScript, and Chart.js, it blends futuristic design with scientific computation.
Key Features
- Graphing Capabilities: Choose from line, bar, radar, and doughnut charts to visualize your math results.
- Dark & Light Mode: Toggle between sleek dark mode or a clean light mode interface.
- Sound Effects: Select from multiple sounds like clicks, zaps, and sci-fi tones – or mute it.
- Keyboard Support: Perform calculations using your physical keyboard.
- Calculation History: Never lose track – view and scroll through previous equations.
- Client Info Display: Automatically shows user’s IP, browser, screen size, and timezone.
- Progressive Web App (PWA): Install it like a native app with offline-ready features.
🔧 Built with Modern Tech
- HTML5
- CSS3 Custom Properties
- JavaScript ES6+
- Chart.js for live graphing
- Responsive and installable as a PWA
Why Use This Calculator?
- Unlike traditional online calculators, the Sci-Fi Calculator gives users control, customization, and a delightful experience.
- From audio feedback to visual trends of your calculations, this tool stands out for:
- Educational use
- Interactive math demos
- Personal or professional problem-solving
- Enhancing your web app toolkit
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Sci-Fi Calculator Advanced</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#00ffea" />
<script data-minify="1" src="https://indiatechdigi.com/wp-content/cache/min/1/npm/chart.js?ver=1756764614"></script>
<style>
:root {
--bg: #000;
--text: #0ff;
--btn-bg: #222;
--btn-border: #0ff;
--btn-shadow: #0ff;
}
body.light {
--bg: #f4f4f4;
--text: #222;
--btn-bg: #fff;
--btn-border: #444;
--btn-shadow: #aaa;
}
body {
background: var(--bg);
color: var(--text);
font-family: 'Orbitron', sans-serif;
display: flex;
flex-direction: column;
align-items: center;
padding: 20px;
margin: 0;
}
.top-bar, .controls {
display: flex;
gap: 20px;
margin-bottom: 10px;
}
select, label {
font-size: 14px;
}
.container {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 20px;
}
.calculator {
background: var(--btn-bg);
padding: 20px;
border-radius: 15px;
box-shadow: 0 0 20px var(--btn-shadow);
width: 320px;
}
.screen {
background: var(--btn-bg);
color: var(--text);
font-size: 24px;
padding: 10px;
text-align: right;
border-radius: 5px;
margin-bottom: 10px;
height: 50px;
overflow-x: auto;
box-shadow: inset 0 0 5px var(--btn-shadow);
}
.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 10px;
}
button {
background: var(--btn-bg);
color: var(--text);
border: 1px solid var(--btn-border);
padding: 15px;
font-size: 18px;
border-radius: 8px;
cursor: pointer;
box-shadow: 0 0 8px var(--btn-shadow);
}
.history, .info {
width: 300px;
padding: 15px;
background: var(--btn-bg);
border-radius: 10px;
box-shadow: 0 0 15px var(--btn-shadow);
overflow-y: auto;
max-height: 300px;
}
canvas {
background: #fff;
border-radius: 8px;
padding: 5px;
margin-top: 10px;
}
</style>
</head>
<body>
<div class="top-bar">
<label><input type="checkbox" id="modeSwitch"> Light Mode</label>
<label>Sound:
<select id="soundSelect">
<option value="click">Click</option>
<option value="zap">Zap</option>
<option value="sci">Sci-Fi</option>
<option value="off">Mute</option>
</select>
</label>
<label>Graph:
<select id="chartType">
<option value="line">Line</option>
<option value="bar">Bar</option>
<option value="radar">Radar</option>
<option value="doughnut">Doughnut</option>
</select>
</label>
</div>
<div class="container">
<div class="calculator">
<div class="screen" id="display">0</div>
<div class="buttons">
<button onclick="press('7')">7</button>
<button onclick="press('8')">8</button>
<button onclick="press('9')">9</button>
<button onclick="operate('/')">÷</button>
<button onclick="press('4')">4</button>
<button onclick="press('5')">5</button>
<button onclick="press('6')">6</button>
<button onclick="operate('*')">×</button>
<button onclick="press('1')">1</button>
<button onclick="press('2')">2</button>
<button onclick="press('3')">3</button>
<button onclick="operate('-')">−</button>
<button onclick="press('0')">0</button>
<button onclick="press('.')">.</button>
<button onclick="calculate()">=</button>
<button onclick="operate('+')">+</button>
<button onclick="clearDisplay()">C</button>
<button onclick="sqrt()">√</button>
<button onclick="power()">^</button>
<button onclick="operate('log')">log</button>
<button onclick="operate('sin')">sin</button>
<button onclick="operate('cos')">cos</button>
<button onclick="operate('tan')">tan</button>
<button onclick="backspace()">←</button>
</div>
</div>
<div class="history">
<h3>History</h3>
<div id="historyLog"></div>
</div>
<div class="info">
<h3>Client Info</h3>
<div id="clientInfo">Loading...</div>
</div>
</div>
<canvas id="graph" width="600" height="200"></canvas>
<audio id="click" src="https://www.soundjay.com/button/beep-07.wav"></audio>
<audio id="zap" src="https://freesound.org/data/previews/66/66717_931655-lq.mp3"></audio>
<audio id="sci" src="https://freesound.org/data/previews/174/174027_3248244-lq.mp3"></audio>
<script>
let display = document.getElementById("display");
let expression = "";
let chart;
let chartType = 'line';
function playBeep() {
const sound = document.getElementById(document.getElementById("soundSelect").value);
if (sound) { sound.currentTime = 0; sound.play(); }
}
function press(val) {
playBeep();
if (display.innerText === "0") display.innerText = "";
display.innerText += val;
expression += val;
}
function operate(op) {
playBeep();
if (["sin", "cos", "tan", "log"].includes(op)) {
expression = `${op}(${expression})`;
calculate();
} else {
expression += op;
display.innerText += op;
}
}
function calculate() {
playBeep();
try {
const parsed = expression.replace(/sin/g, 'Math.sin').replace(/cos/g, 'Math.cos')
.replace(/tan/g, 'Math.tan').replace(/log/g, 'Math.log10')
.replace(/\^/g, '**').replace(/√/g, 'Math.sqrt');
let result = eval(parsed);
if (isNaN(result)) throw "Invalid";
updateHistory(expression, result);
updateGraph(result);
display.innerText = result;
expression = result.toString();
} catch {
display.innerText = "ERROR";
expression = "";
}
}
function clearDisplay() {
playBeep();
expression = "";
display.innerText = "0";
}
function sqrt() { playBeep(); expression = `Math.sqrt(${expression})`; calculate(); }
function power() { playBeep(); expression += "^"; display.innerText += "^"; }
function backspace() {
playBeep();
expression = expression.slice(0, -1);
display.innerText = display.innerText.slice(0, -1);
if (!display.innerText) display.innerText = "0";
}
function updateHistory(exp, result) {
const log = document.getElementById("historyLog");
const entry = document.createElement("div");
entry.className = "history-entry";
entry.innerText = `${exp} = ${result}`;
log.prepend(entry);
}
function updateGraph(result) {
const ctx = document.getElementById("graph").getContext("2d");
if (!chart) {
chart = new Chart(ctx, {
type: chartType,
data: {
labels: ["1"],
datasets: [{ label: 'Result Trend', data: [result], borderColor: '#0ff', backgroundColor: '#0ff33f', fill: chartType !== 'line' }]
},
options: { responsive: false, animation: false }
});
} else {
const data = chart.data.datasets[0].data;
const labels = chart.data.labels;
if (data.length >= 10) { data.shift(); labels.shift(); }
data.push(result);
labels.push((data.length).toString());
chart.update();
}
}
document.getElementById("chartType").addEventListener("change", e => {
chartType = e.target.value;
if (chart) { chart.destroy(); chart = null; }
});
document.getElementById("modeSwitch").addEventListener("change", e => {
document.body.classList.toggle("light", e.target.checked);
});
document.addEventListener("keydown", e => {
const k = e.key;
if ("0123456789.".includes(k)) press(k);
else if (k === "Backspace") backspace();
else if (k === "Enter" || k === "=") calculate();
else if (["+", "-", "*", "/"].includes(k)) operate(k);
});
fetch("https://api.ipify.org?format=json").then(r => r.json()).then(d => {
const info = `IP: ${d.ip}<br>OS: ${navigator.platform}<br>Browser: ${navigator.userAgent}<br>Screen: ${screen.width}x${screen.height}<br>Timezone: ${Intl.DateTimeFormat().resolvedOptions().timeZone}`;
document.getElementById("clientInfo").innerHTML = info;
});
</script>
</body>
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