Alicia's Basic Calculator
About this app
Alicia's Basic Calculator - A simple calculator for basic arithmetic operations
Alicia's Basic Calculator 7 8 9 / 4 5 6 * 1 2 3 - 0 . + = C
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Source
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Alicia's Basic Calculator</title>
<meta name="description" content="Alicia's Basic Calculator - A simple calculator for basic arithmetic operations">
<meta name="keywords" content="calculator, basic calculator, arithmetic calculator">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap" rel="stylesheet">
<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
// This will run when the DOM is ready.
document.addEventListener("DOMContentLoaded", function() {
// Calculator functions
function clearDisplay() {
$("#display").val("");
}
function appendToDisplay(value) {
$("#display").val($("#display").val() + value);
}
function calculateResult() {
try {
var result = eval($("#display").val());
$("#display").val(result);
} catch (error) {
$("#display").val("Error");
}
}
// Event listeners
$(".btn-number").click(function() {
var number = $(this).text();
appendToDisplay(number);
});
$(".btn-operator").click(function() {
var operator = $(this).text();
appendToDisplay(operator);
});
$("#btn-clear").click(function() {
clearDisplay();
});
$("#btn-equal").click(function() {
calculateResult();
});
});
} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>
<style>
/* App CSS Goes Here */
body {
background-color: black;
color: white;
font-family: 'Roboto', sans-serif;
}
#main-container {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100vh;
}
.calculator {
width: 300px;
padding: 20px;
background-color: #000;
border-radius: 10px;
box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}
.display {
width: 100%;
height: 60px;
margin-bottom: 20px;
padding: 10px;
background-color: #333;
color: white;
font-size: 24px;
text-align: right;
border-radius: 5px;
border: none;
}
.button {
width: 60px;
height: 60px;
margin: 5px;
padding: 0;
font-size: 24px;
text-align: center;
border: none;
border-radius: 5px;
background-color: #FFF;
color: black;
cursor: pointer;
transition: background-color 0.3s;
}
.button:hover {
background-color: #DDD;
}
.button.operator {
background-color: #FF9800;
color: white;
}
.button.operator:hover {
background-color: #F57C00;
}
#btn-clear {
background-color: #F44336;
color: white;
}
#btn-clear:hover {
background-color: #D32F2F;
}
#btn-equal {
background-color: #4CAF50;
color: white;
}
#btn-equal:hover {
background-color: #388E3C;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<div class="calculator">
<input id="display" class="display" type="text" readonly>
<div class="row">
<div class="col">
<button class="button btn-number">7</button>
</div>
<div class="col">
<button class="button btn-number">8</button>
</div>
<div class="col">
<button class="button btn-number">9</button>
</div>
<div class="col">
<button class="button btn-operator">/</button>
</div>
</div>
<div class="row">
<div class="col">
<button class="button btn-number">4</button>
</div>
<div class="col">
<button class="button btn-number">5</button>
</div>
<div class="col">
<button class="button btn-number">6</button>
</div>
<div class="col">
<button class="button btn-operator">*</button>
</div>
</div>
<div class="row">
<div class="col">
<button class="button btn-number">1</button>
</div>
<div class="col">
<button class="button btn-number">2</button>
</div>
<div class="col">
<button class="button btn-number">3</button>
</div>
<div class="col">
<button class="button btn-operator">-</button>
</div>
</div>
<div class="row">
<div class="col">
<button class="button btn-number">0</button>
</div>
<div class="col">
<button class="button btn-operator">.</button>
</div>
<div class="col">
<button class="button btn-operator">+</button>
</div>
<div class="col">
<button id="btn-equal" class="button">=</button>
</div>
</div>
<div class="row">
<div class="col">
<button id="btn-clear" class="button">C</button>
</div>
</div>
</div>
</div>
</body>
</html>
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