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Nikhil_E&CS_33_DAY1 #319

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94 changes: 94 additions & 0 deletions student-projects/day1/Nikhil Pal/day1
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Original file line number Diff line number Diff line change
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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>Simple Calculator</title>
<style>
body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #f0f0f0;
margin: 0;
font-family: Arial, sans-serif;
}
.calculator {
border: 1px solid #333;
padding: 10px;
background-color: #ccc;
text-align: center;
}
.display {
width: 100%;
height: 40px;
background-color: #eee;
text-align: right;
padding: 5px;
font-size: 18px;
border: 1px solid #333;
margin-bottom: 10px;
}
.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 5px;
}
.button {
padding: 10px;
font-size: 18px;
cursor: pointer;
}
</style>
</head>
<body>
<div class="calculator">
<div class="display" id="display">0</div>
<div class="buttons">
<button class="button" onclick="clearDisplay()">C</button>
<button class="button" onclick="appendCharacter('(')">(</button>
<button class="button" onclick="appendCharacter(')')">)</button>
<button class="button" onclick="appendCharacter('/')">/</button>
<button class="button" onclick="appendCharacter('7')">7</button>
<button class="button" onclick="appendCharacter('8')">8</button>
<button class="button" onclick="appendCharacter('9')">9</button>
<button class="button" onclick="appendCharacter('*')">*</button>
<button class="button" onclick="appendCharacter('4')">4</button>
<button class="button" onclick="appendCharacter('5')">5</button>
<button class="button" onclick="appendCharacter('6')">6</button>
<button class="button" onclick="appendCharacter('-')">-</button>
<button class="button" onclick="appendCharacter('1')">1</button>
<button class="button" onclick="appendCharacter('2')">2</button>
<button class="button" onclick="appendCharacter('3')">3</button>
<button class="button" onclick="appendCharacter('+')">+</button>
<button class="button" onclick="appendCharacter('0')">0</button>
<button class="button" onclick="appendCharacter('.')">.</button>
<button class="button" onclick="calculateResult()">=</button>
</div>
</div>
<script>
let display = document.getElementById('display');

function clearDisplay() {
display.textContent = '0';
}

function appendCharacter(char) {
if (display.textContent === '0') {
display.textContent = char;
} else {
display.textContent += char;
}
}

function calculateResult() {
try {
display.textContent = eval(display.textContent);
} catch {
display.textContent = 'Error';
}
}
</script>
</body>
</html>