سورس کد ماشین حساب با زبان برنامه نویسی GO

// Golang program to make a Simple
// Calculator using Switch Case
package main

// fmt package provides the function to print anything
import "fmt"

// start the main() function
func main() {

   // Declare amd initialize the variables
   var number1 int=20
   var number2 int=10
   var choice int = 0 
    
   // choice of the input calculation
   var x int // the result variable
   fmt.Println("number 1 = ",number1,"nnumber 2 =",number2)
   fmt.Println(" choice 1: Addition of the two numbers")
   fmt.Println(" choice 2: Subtraction of the two numbers")
   fmt.Println(" choice 3: Multiplication of the two numbers")
   fmt.Println(" choice 4: Division of the two numbers")
   fmt.Scanln(&choice)
   // print the choice of calculation using switch case
   switch choice{
      case 1:
         x=number1+number2
         fmt.Printf("Addition of the two numbers is: %d",x)
      case 2:
         x=number1-number2
         fmt.Printf("Subtraction of the two numbers is: %d",x)
      case 3:
         x=number1*number2
         fmt.Printf("Multiplication of the two numbers is: %d",x)
      case 4:
         x=number1/number2
         fmt.Printf("Division of the two numbers is: %d",x)
      default:
         fmt.Println("Invalid number")
   }
   // Print the result using built-in function fmt.Println()
}