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Add calc.html

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Ben de Roo
2025-12-27 12:16:05 +01:00
commit 50b9d5e9d1
1 changed files with 338 additions and 0 deletions
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Calculator</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
overflow: hidden;
}
.calculator {
background: #2d3748;
border-radius: 20px;
padding: 30px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
width: 400px;
}
.display {
background: #1a202c;
border-radius: 10px;
padding: 20px;
margin-bottom: 20px;
text-align: right;
min-height: 100px;
display: flex;
flex-direction: column;
justify-content: flex-end;
}
.equation {
color: #a0aec0;
font-size: 18px;
min-height: 25px;
margin-bottom: 10px;
}
.current {
color: #fff;
font-size: 36px;
font-weight: 600;
}
.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 12px;
}
button {
padding: 24px;
font-size: 20px;
font-weight: 600;
border: none;
border-radius: 10px;
cursor: pointer;
transition: all 0.2s;
color: #fff;
}
button:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
button:active {
transform: translateY(0);
}
.number {
background: #4a5568;
}
.operator {
background: #ed8936;
}
.clear {
background: #e53e3e;
grid-column: span 2;
}
.equals {
background: #48bb78;
grid-column: span 2;
}
.bsod {
display: none;
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
background: #0078d7;
color: white;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
z-index: 9999;
padding: 60px;
overflow: hidden;
}
.bsod.show {
display: flex;
flex-direction: column;
justify-content: center;
}
.bsod-content {
max-width: 800px;
}
.sad-face {
font-size: 120px;
margin-bottom: 40px;
}
.bsod h1 {
font-size: 48px;
font-weight: 400;
margin-bottom: 30px;
}
.bsod p {
font-size: 20px;
line-height: 1.6;
margin-bottom: 20px;
}
.progress {
margin: 40px 0;
font-size: 18px;
}
.error-details {
margin-top: 40px;
font-size: 14px;
opacity: 0.8;
}
.restart-btn {
display: none;
margin-top: 30px;
padding: 15px 40px;
font-size: 18px;
background: white;
color: #0078d7;
border: none;
cursor: pointer;
border-radius: 5px;
font-weight: 600;
}
.restart-btn.show {
display: inline-block;
}
.restart-btn:hover {
background: #f0f0f0;
}
</style>
</head>
<body>
<div class="calculator">
<div class="display">
<div class="equation" id="equation"></div>
<div class="current" id="current">0</div>
</div>
<div class="buttons">
<button class="clear" onclick="clearCalculator()">C</button>
<button class="operator" onclick="appendOperator('/')">/</button>
<button class="operator" onclick="appendOperator('*')">×</button>
<button class="number" onclick="appendNumber('7')">7</button>
<button class="number" onclick="appendNumber('8')">8</button>
<button class="number" onclick="appendNumber('9')">9</button>
<button class="operator" onclick="appendOperator('-')">-</button>
<button class="number" onclick="appendNumber('4')">4</button>
<button class="number" onclick="appendNumber('5')">5</button>
<button class="number" onclick="appendNumber('6')">6</button>
<button class="operator" onclick="appendOperator('+')">+</button>
<button class="number" onclick="appendNumber('1')">1</button>
<button class="number" onclick="appendNumber('2')">2</button>
<button class="number" onclick="appendNumber('3')">3</button>
<button class="number" onclick="appendNumber('0')">0</button>
<button class="number" onclick="appendNumber('.')">.</button>
<button class="equals" onclick="triggerBSOD()">=</button>
</div>
</div>
<div class="bsod" id="bsod">
<div class="bsod-content">
<div class="sad-face">:(</div>
<h1>Your PC ran into a problem and needs to restart.</h1>
<p>We're just collecting some error info, and then we'll restart for you.</p>
<div class="progress">
<span id="progress">0</span>% complete
</div>
<div class="error-details">
<p>If you'd like to know more, you can search online later for this error: CALCULATOR_OVERFLOW</p>
<p>Stop code: 0x0000007B (0x00000034, 0xC0000034, 0x00000000, 0x00000000)</p>
<p>What failed: math.sys</p>
</div>
<button class="restart-btn" id="restartBtn" onclick="location.reload()">Restart</button>
</div>
</div>
<script>
let currentValue = '0';
let previousValue = '';
let operation = '';
let shouldResetScreen = false;
function updateDisplay() {
document.getElementById('current').textContent = currentValue;
let equationText = previousValue;
if (operation) {
equationText += ' ' + operation;
}
document.getElementById('equation').textContent = equationText;
}
function appendNumber(num) {
if (currentValue === '0' || shouldResetScreen) {
currentValue = num;
shouldResetScreen = false;
} else {
currentValue += num;
}
updateDisplay();
}
function appendOperator(op) {
if (operation && !shouldResetScreen) {
calculate();
}
previousValue = currentValue;
operation = op;
shouldResetScreen = true;
updateDisplay();
}
function calculate() {
const prev = parseFloat(previousValue);
const current = parseFloat(currentValue);
if (isNaN(prev) || isNaN(current)) return;
let result;
switch (operation) {
case '+':
result = prev + current;
break;
case '-':
result = prev - current;
break;
case '*':
result = prev * current;
break;
case '/':
result = prev / current;
break;
default:
return;
}
currentValue = result.toString();
operation = '';
previousValue = '';
shouldResetScreen = true;
updateDisplay();
}
function clearCalculator() {
currentValue = '0';
previousValue = '';
operation = '';
shouldResetScreen = false;
updateDisplay();
}
function triggerBSOD() {
const bsod = document.getElementById('bsod');
const progressElement = document.getElementById('progress');
const restartBtn = document.getElementById('restartBtn');
bsod.classList.add('show');
let progress = 0;
const interval = setInterval(() => {
progress += Math.floor(Math.random() * 8) + 1;
if (progress >= 100) {
progress = 100;
clearInterval(interval);
setTimeout(() => {
restartBtn.classList.add('show');
}, 500);
}
progressElement.textContent = progress;
}, 200);
}
// Keyboard support
document.addEventListener('keydown', (e) => {
if (e.key >= '0' && e.key <= '9') {
appendNumber(e.key);
} else if (e.key === '.') {
appendNumber('.');
} else if (e.key === '+' || e.key === '-' || e.key === '*' || e.key === '/') {
appendOperator(e.key);
} else if (e.key === 'Enter' || e.key === '=') {
e.preventDefault();
triggerBSOD();
} else if (e.key === 'Escape' || e.key === 'c' || e.key === 'C') {
clearCalculator();
}
});
updateDisplay();
</script>
</body>
</html>