calculator in c
/*C program to design calculator with basic operations using switch.*/
#include <stdio.h>
int main()
{
int num1,num2;
float result;
char ch; //to store operator choice
printf("Enter first number: ");
scanf("%d",&num1);
printf("Enter second number: ");
scanf("%d",&num2);
printf("Choose operation to perform (+,-,*,/,%): ");
scanf(" %c",&ch);
result=0;
switch(ch)
{
case '+':
result=num1+num2;
break;
case '-':
result=num1-num2;
break;
case '*':
result=num1*num2;
break;
case '/':
result=(float)num1/(float)num2;
break;
case '%':
result=num1%num2;
break;
default:
printf("Invalid operation.n");
}
printf("Result: %d %c %d = %fn",num1,ch,num2,result);
return 0;
}