C calculator program tutorial example explained

#C #calculator #program

int main(){

char operator;
double num1;
double num2;
double result;

printf("\nEnter an operator (+ - * /): ");
scanf("%c", &operator);

printf("Enter number 1: ");
scanf("%lf", &num1);

printf("Enter number 2: ");
scanf("%lf", &num2);

switch(operator){
case '+':
result = num1 + num2;
printf("\nresult: %lf", result);
break;
case '-':
result = num1 - num2;
printf("\nresult: %lf", result);
break;
case '*':
result = num1 * num2;
printf("\nresult: %lf", result);
break;
case '/':
result = num1 / num2;
printf("\nresult: %lf", result);
break;
default:
printf("%c is not valid", operator);
}

return 0;
}

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