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calc.c
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calc.c
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#include<stdio.h>
int main()
{
int a,b,c=0,opt;
do
{
printf("\n CALCULATOR");
printf("\n ----------\n");
printf("\n1)Add two number");
printf("\n2)Substract two number");
printf("\n3)Multiply two number");
printf("\n4)Devide two number");
printf("\n5)Quit !\n");
printf("\nEnter your choice : ");
scanf("%d",&opt);
switch(opt)
{
case 1:printf("\nEnter two numbers for addition: ");
scanf("%d%d",&a,&b);
c=a+b;
printf("\nAnswer is %d",c);
break;
case 2:printf("\nEnter two numbers for subtraction: ");
scanf("%d%d",&a,&b);
c=a-b;
printf("\nAnswer is %d",c);
break;
case 3:printf("\nEnter two numbers for Multipliction: ");
scanf("%d%d",&a,&b);
c=a*b;
printf("\nAnswer is %d",c);
break;
case 4:printf("\nEnter two numbers for Divition: ");
scanf("%d%d",&a,&b);
c=a/b;
printf("\nAnswer is %d",c);
break;
case 5:break;
default:
printf("\ninvalid option");
break;
}
}while(opt!=5);
return 0;
}