Use this calculator to simplify various engineering-related calculations, from formulas to conversions.
Addition
Subtraction
Multiplication
Division
function performCalculation() {
var value1 = parseFloat(document.getElementById(‘value1’).value);
var value2 = parseFloat(document.getElementById(‘value2’).value);
var operation = document.getElementById(‘operation’).value;
var result;
if (isNaN(value1) || isNaN(value2)) {
alert(“Please enter valid numbers for both values.”);
return;
}
switch (operation) {
case ‘add’:
result = value1 + value2;
break;
case ‘subtract’:
result = value1 – value2;
break;
case ‘multiply’:
result = value1 * value2;
break;
case ‘divide’:
if (value2 === 0) {
alert(“Cannot divide by zero.”);
return;
}
result = value1 / value2;
break;
}
document.getElementById(‘result’).innerText = “Result: ” + result;
}
