Get the TI-84 Plus calculator app for quick, easy access to scientific and graphing tools on your mobile device. Ideal for students, professionals, and anyone in need of a reliable calculator!
Add
Subtract
Multiply
Divide
Result: 0
function calculateOperation() {
const value = parseFloat(document.getElementById(“value_input”).value);
const operation = document.getElementById(“operation_select”).value;
let result;
if (isNaN(value)) {
alert(“Please enter a valid number.”);
return;
}
switch (operation) {
case “add”:
result = value + 10; // Example operation
break;
case “subtract”:
result = value – 5; // Example operation
break;
case “multiply”:
result = value * 2; // Example operation
break;
case “divide”:
result = value / 2; // Example operation
break;
default:
result = 0;
}
document.getElementById(“result_value”).innerText = result;
}
