function calculateResult() {
const inputValue = parseFloat(document.getElementById(“inputValue”).value);
const operation = document.getElementById(“operation”).value;
let result;
if (isNaN(inputValue)) {
alert(“Please enter a valid number.”);
return;
}
switch (operation) {
case ‘add’:
result = inputValue + 1; // Example: add 1 for simulation
break;
case ‘subtract’:
result = inputValue – 1; // Example: subtract 1 for simulation
break;
case ‘multiply’:
result = inputValue * 2; // Example: multiply by 2 for simulation
break;
case ‘divide’:
result = inputValue / 2; // Example: divide by 2 for simulation
break;
case ‘power’:
result = Math.pow(inputValue, 2); // Example: square the input value
break;
}
document.getElementById(“result”).value = result.toFixed(2);
}
function resetCalculator() {
document.querySelectorAll(“#calculator input, #calculator select”).forEach(el => el.value = “”);
}
This Casio FX-991ES Plus Emulator replicates the basic functionality of the famous scientific calculator, allowing you to perform operations such as addition, subtraction, multiplication, division, and exponentiation.
Features
Supports basic arithmetic operations
Exponentiation function (x^y)
Simple and intuitive interface
How to Use
Enter a number, select an operation, and hit “Calculate” to get the result. You can reset the values at any time by clicking the “Reset” button.
Why Use an Emulator?
This emulator is perfect for those who need quick calculations on the go or don’t have access to the actual Casio FX-991ES Plus calculator.