Node.js Mini Calculator

okay you can follow me for create mini calculator with nodejs

1. first open your gitbash

2. go to your folder

   

3. create file input2.js and fill in the file as follows

   

   

4. create file calculator and fill like this

   

   and this code for content file

    import { inputText, closeInput } from "./input2.js";
   
    console.clear();
    console.log("  Calculator Console  ");
   
    let isRunning = true;
   
    while (isRunning) {
     console.log("\nChoose Operation:");
     console.log("1. addition");
     console.log("2. Subtraction");
     console.log("3. Multiplication");
     console.log("4. Division");
     console.log("0. Exit");
   
     const choice = await inputText("Enter a Choice (0-4)");
     switch (choice) {
      case "0": {
       isRunning = false;
       console.log("Thank you, Program finished.");
       break;
      }
      case "1":
      case "2":
      case "3":
      case "4": {
        const a = Number(await inputText("Enter the first number "));
        const b = Number(await inputText("Enter the second number "));
        switch (choice) {
         case "1": {
          console.log(`Result: ${a} + ${b} = ${a + b}`);
          break;
         }
         case "2": {
          console.log(`Result: ${a} - ${b} = ${a - b}`);
          break;
         }
         case "3": {
          console.log(`Result: ${a} * ${b} = ${a * b}`);
         }
         case "4": {
          if (b === 0) {
           console.log("❌ cannot divide by 0");
          } else {
           console.log(`Result: ${a} / ${b} = ${a / b}`);
          }
          break;
         }
        }
       break;
      }
     default:
       console.log("Invalid choice, Please try again!");
     }
    }
   

5. test your code or your program

   

   

   if you want to exit from program you can click ctrl + c

   

   you have left the program.

End !!

thank you, and follow me for more content about IT specifically backend.