Calculator

// Function to add two numbers
function add(a, b) {
  return a + b;
}

// Function to subtract two numbers
function subtract(a, b) {
  return a - b;
}

// Function to multiply two numbers
function multiply(a, b) {
  return a * b;
}

// Function to divide two numbers
function divide(a, b) {
  return a / b;
}

// Prompt the user to enter two numbers and the operation
var num1 = parseFloat(prompt("Enter the first number:"));
var num2 = parseFloat(prompt("Enter the second number:"));
var operation = prompt("Enter the operation (+, -, *, /):");

// Perform the calculation based on the operation
var result;
switch (operation) {
  case "+":
    result = add(num1, num2);
    break;
  case "-":
    result = subtract(num1, num2);
    break;
  case "*":
    result = multiply(num1, num2);
    break;
  case "/":
    result = divide(num1, num2);
    break;
  default:
    result = "Invalid operation";
}

// Display the result
console.log("Result: " + result);