Simple calculator program

 

Simple calculator program 

#include<stdio.h>

int main()

{

  float x,y;

  char ch;

  printf("enter first number\n");

  scanf("%f",&x);

  printf("enter second number\n");

  scanf("%f",&y);

  printf("enter\n+for add\n-for sub\n*for multy\n/for div\n");

  scanf("\n%c",&ch);

  switch(ch)

  {

    case '+':

    printf("add=%f",(x+y));

    break;

    case '-':

    printf("sub=%f",(x-y));

    break;

    case '*':

    printf("multy=%f",(x*y));

    break;

    case '/':

    printf("div=%f",(x/y));

    break;

    default:

    printf("invalid input");

  }

}