โปรแกรมเครื่องคิดเลข

#include

#include

void main() 

{

int num1,num2;

float total;

char mathoperator;

clrscr();

printf("Input First Number         : ");scanf("%d",&num1);

printf("Input Second  Number       : ");scanf("%d",&num2);

printf("Input Operator [+, -, *, /]:  ");scanf("%s",&mathoperator);

  if (mathoperator =='+') total = num1+num2;

else  if (mathoperator =='-') total = num1-num2;

else  if (mathoperator =='*') total = num1*num2;

 else  if (mathoperator =='/') total = num1/num2;

  else

  {

  printf("Wrong Operator\n");

  printf("Press Any Key to Exit\n");

  getch();

  exit();

  }

printf("Output : %d %c %d = %.0f",num1,mathoperator,num2,total);

getch();

}