simple calculator, using switch statement in C
#include<stdio.h>
#include<conio.h>
void main()
{
int num1,num2,opt;
clrscr();
printf("Enter the first Integer:\n");
scanf("%d",&num1);
printf("Enter the second Integer:\n");
scanf("%d",&num2);
for(;;)
{
printf("\n\n\n\nEnter the your option:\n");
printf("1-Addition.\n2-Substraction.\n3-Multiplication.\n4-Division.\n5-Exit.\n");
scanf("%d",&opt);
switch(opt)
{
case 1:printf("\nAddition of %d and %d is: %d",num1,num2,num1+num2);
break;
case 2:printf("\nSubstraction of %d and %d is: %d",num1,num2,num1-num2);
break;
case 3:printf("\nMultiplication of %d and %d is: %d",num1,num2,num1*num2);
break;
case 4:
if(num2==0)
{
printf("OOps Devide by zero\n");
}
else
{
printf("\n Division of %d and %d is: %d",num1,num2,num1/num2);
}
break;
case 5: return 0;
break;
default:printf("\n Enter correct option\n");
break;
}
}
getch();
}