Calculator in C Programming language

 Calculator in C Programming language : This page provides the information about the given title, you can see code about it as well as video lecture about it, that how this work:

                        

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Coding (Free to copy paste)

#include <stdio.h>

int main() {

   char operator;

   double num1, num2, result;

   printf("Enter an operator (+, -, *, /): ");

   scanf("%c", &operator);

   printf("Enter two operands: ");

   scanf("%lf %lf", &num1, &num2);

   switch(operator) {

      case '+':

         result = num1 + num2;

         break;

      case '-':

         result = num1 - num2;

         break;

      case '*':

         result = num1 * num2;

         break;

      case '/':

         if(num2 == 0) {

            printf("Error: division by zero");

            return 0;

         } else {

            result = num1 / num2;

            break;

         }

      default:

         printf("Invalid operator");

         return 0;

   }

   printf("%.2lf %c %.2lf = %.2lf", num1, operator, num2, result);

   return 0;

}