Tuesday, January 17, 2012

Menu Driven Calculator


#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c,ch;
clrscr();
printf(“\n1.add\n2.subtract\n3.multiply\n4.division\n5.remainder\n);
printf(“\nenter your choice\n”);
scanf(%d”,&ch);
switch(ch)
{
case1:
printf(“\nenter values of a and b\n”);
scanf(%d%d”,&a,&b);
c=a+b;
printf(“\nthe answer is %d”,c);
break;
case2:
printf(“\nenter values of a and b\n”);
scanf(%d%d”,&a,&b);
c=a-b; 
printf(“\nthe answer is %d”,c);
break;
case3:
printf(“\nenter values of a and b\n”);
scanf(%d%d”,&a,&b);
c=a*b; 
printf(“\nthe answer is %d”,c);
break;
case4:
printf(“\nenter values of a and b\n”);
scanf(%d%d”,&a,&b);
c=a/b; 
printf(“\nthe answer is %d”,c);
break;
case5:
printf(“\nenter values of a and b\n”);
scanf(%d%d”,&a,&b);
c=a%b; 
printf(“\nthe answer is %d”,c);
break;
default:
printf(“\nenter the correct choice”);
break;
}
getch();
}

Output:
1.add
2.subtract
3.multiply
4.division
5.remainder
enter your choice
2
enter the values  of a and b
7
4
the answer is 3 

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