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2200290100171 tarun kumar sangal cse 3 c #165

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Tarunsh70 Oct 29, 2024
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Tarunsh70 Oct 29, 2024
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71 changes: 71 additions & 0 deletions MLSAKIET_FWdevops_INTERNSHIP/Assets/Project Codes/Calculator- Intermediate/app.js
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Original file line number Diff line number Diff line change
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let displayValue = "";
let memory = 0;
let history = [];

function appendNumber(number) {
displayValue += number;
updateDisplay();
}

function appendOperator(operator) {
if (displayValue === "") return;
if (isNaN(displayValue[displayValue.length - 1])) return;
displayValue += operator;
updateDisplay();
}

function appendFunction(func) {
displayValue = `${func}(${displayValue})`;
calculate();
}

function clearDisplay() {
displayValue = "";
updateDisplay();
}

function deleteLast() {
displayValue = displayValue.slice(0, -1);
updateDisplay();
}

function memoryStore() {
memory = parseFloat(displayValue) || 0;
updateDisplay();
}

function memoryRecall() {
displayValue += memory.toString();
updateDisplay();
}

function updateDisplay() {
document.getElementById("display").value = displayValue;
}

function calculate() {
try {
const result = eval(displayValue);
history.push(`${displayValue} = ${result}`);
displayValue = result.toString();
updateDisplay();
updateHistory();
} catch (error) {
displayValue = "Error";
updateDisplay();
setTimeout(clearDisplay, 1500);
}
}

function updateHistory() {
document.getElementById("history").textContent = history[history.length - 1] || "";
}

// Keyboard support
document.addEventListener("keydown", function (e) {
if (!isNaN(e.key)) appendNumber(e.key);
else if (['+', '-', '*', '/'].includes(e.key)) appendOperator(e.key);
else if (e.key === 'Enter') calculate();
else if (e.key === 'Backspace') deleteLast();
else if (e.key === 'Escape') clearDisplay();
});
47 changes: 47 additions & 0 deletions MLSAKIET_FWdevops_INTERNSHIP/Assets/Project Codes/Calculator- Intermediate/index.html
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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>Advanced Calculator</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="calculator">
<input type="text" id="display" disabled placeholder="0">
<div id="history"></div>

<div class="buttons">
<button onclick="clearDisplay()">C</button>
<button onclick="deleteLast()">⌫</button>
<button onclick="memoryStore()">MS</button>
<button onclick="memoryRecall()">MR</button>
<button onclick="appendOperator('/')">/</button>
<button onclick="appendNumber('7')">7</button>
<button onclick="appendNumber('8')">8</button>
<button onclick="appendNumber('9')">9</button>
<button onclick="appendOperator('*')">x</button>
<button onclick="appendNumber('4')">4</button>
<button onclick="appendNumber('5')">5</button>
<button onclick="appendNumber('6')">6</button>
<button onclick="appendOperator('-')">-</button>
<button onclick="appendNumber('1')">1</button>
<button onclick="appendNumber('2')">2</button>
<button onclick="appendNumber('3')">3</button>
<button onclick="appendOperator('+')">+</button>
<button onclick="appendNumber('0')">0</button>
<button onclick="appendNumber('.')">.</button>
<button onclick="calculate()">=</button>

<!-- Scientific functions -->
<button onclick="appendFunction('Math.sqrt')">√</button>
<button onclick="appendFunction('Math.sin')">sin</button>
<button onclick="appendFunction('Math.cos')">cos</button>
<button onclick="appendFunction('Math.tan')">tan</button>
<button onclick="appendFunction('Math.log')">ln</button>
<button onclick="appendFunction('Math.exp')">e^</button>
</div>
</div>
<script src="app.js"></script>
</body>
</html>
70 changes: 70 additions & 0 deletions MLSAKIET_FWdevops_INTERNSHIP/Assets/Project Codes/Calculator- Intermediate/style.css
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body {
font-family: Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #f4f4f9;
margin: 0;
}

.calculator {
width: 300px;
background-color: #333;
border-radius: 10px;
box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.2);
padding: 20px;
color: #fff;
text-align: center;
}

#display {
width: calc(100% - 20px); /* Added margin inside display */
height: 50px;
font-size: 1.5rem;
text-align: right;
padding: 10px 15px; /* Extra padding for spacing */
margin-bottom: 15px; /* Increased margin for separation */
border-radius: 5px;
border: none;
background-color: #222;
color: white;
}

#history {
font-size: 0.9rem;
color: #aaa;
margin-bottom: 10px;
height: 20px;
}

.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 10px;
}

button {
width: 100%;
padding: 15px;
font-size: 1rem;
background-color: #555;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
}

button:hover {
background-color: #666;
}

button:active {
background-color: #444;
}

button:nth-child(5n+4),
button:nth-child(5n+5) {
background-color: #ff8c00;
color: white;
}
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