function appendToDisplay(value) {
document.getElementById(‘display’).value += value;
}
function calculateResult() {
try {
let result = eval(document.getElementById(‘display’).value);
document.getElementById(‘display’).value = result;
} catch (e) {
document.getElementById(‘display’).value = ‘Error’;
}
}
function clearDisplay() {
document.getElementById(‘display’).value = ”;
}
.calculator-container {
width: 300px;
margin: 50px auto;
padding: 20px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
background-color: #f9f9f9;
font-family: Arial, sans-serif;
}
.calculator-header {
text-align: center;
margin-bottom: 20px;
}
.calculator-display {
width: 100%;
padding: 10px;
font-size: 24px;
text-align: right;
margin-bottom: 20px;
border-radius: 5px;
border: 1px solid #ccc;
}
.calculator-buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 10px;
}
.calc-btn {
padding: 15px;
font-size: 18px;
background-color: #0093da;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;
}
.calc-btn:hover {
background-color: #007bb5;
}
