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Create calculator.html
Browse files- calculator.html +115 -0
calculator.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Calculator</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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display: flex;
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justify-content: center;
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align-items: center;
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height: 100vh;
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margin: 0;
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background-color: #f4f4f9;
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}
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.calculator {
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background-color: #fff;
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padding: 20px;
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border-radius: 10px;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
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}
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.display {
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width: 100%;
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height: 50px;
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margin-bottom: 20px;
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background-color: #222;
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color: white;
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font-size: 2rem;
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text-align: right;
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padding: 10px;
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border-radius: 5px;
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border: none;
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}
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.buttons {
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display: grid;
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grid-template-columns: repeat(4, 1fr);
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gap: 10px;
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}
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.buttons button {
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padding: 20px;
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font-size: 1.5rem;
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border-radius: 5px;
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background-color: #f0f0f0;
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border: 1px solid #ddd;
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cursor: pointer;
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}
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.buttons button:hover {
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background-color: #d0d0d0;
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}
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.buttons button:active {
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background-color: #b0b0b0;
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}
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.equal {
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background-color: #4CAF50;
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color: white;
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}
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.clear {
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background-color: #f44336;
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color: white;
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}
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</style>
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</head>
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<body>
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<div class="calculator">
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<input type="text" class="display" id="display" disabled>
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<div class="buttons">
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<button onclick="appendToDisplay('7')">7</button>
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<button onclick="appendToDisplay('8')">8</button>
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<button onclick="appendToDisplay('9')">9</button>
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<button onclick="appendToDisplay('+')">+</button>
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<button onclick="appendToDisplay('4')">4</button>
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<button onclick="appendToDisplay('5')">5</button>
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<button onclick="appendToDisplay('6')">6</button>
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<button onclick="appendToDisplay('-')">-</button>
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<button onclick="appendToDisplay('1')">1</button>
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<button onclick="appendToDisplay('2')">2</button>
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<button onclick="appendToDisplay('3')">3</button>
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<button onclick="appendToDisplay('*')">*</button>
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<button onclick="appendToDisplay('0')">0</button>
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<button onclick="appendToDisplay('.')">.</button>
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<button onclick="clearDisplay()" class="clear">C</button>
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<button onclick="appendToDisplay('/')">/</button>
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</div>
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<button onclick="calculateResult()" class="equal">=</button>
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</div>
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<script>
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// Function to append the clicked button value to the display
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function appendToDisplay(value) {
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document.getElementById('display').value += value;
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}
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// Function to clear the display
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function clearDisplay() {
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document.getElementById('display').value = '';
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}
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// Function to calculate the result of the expression in the display
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function calculateResult() {
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try {
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let result = eval(document.getElementById('display').value);
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document.getElementById('display').value = result;
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} catch (error) {
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document.getElementById('display').value = 'Error';
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}
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}
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</script>
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</body>
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</html>
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