Calculator coding
<!DOCTYPE html> <html> <head> <title>Calculator</title> <script> function calculate() { var num1 = document.getElementById("num1").value; var num2 = document.getElementById("num2").value; var operator = document.getElementById("operator").value; var result = 0; if (operator === "+") { result = Number(num1) + Number(num2); } else if (operator === "-") { result = num1 - num2; } else if (operator === "*") { result = num1 * num2; } else if (operator === "/") { result = num1 / num2; ...