#include<stdio.h>
#include<conio.h>
void sum(int,int); // Function prototype declaration.
void product(int,int); // Function prototype declaration.
void substraction(int,int); // Function prototype declaration.
void divide(int,int); // Function prototype declaration.
void sum(int x,int y) // Definition function.
{
int z;
z=x+y;
printf("%d + %d = %d\n", x,y,z);
}
void product(int x,int y) // Definition function.
{
int z;
z=x*y;
printf("%d x %d = %d\n", x,y,z);
}
void substraction(int x,int y) // Definition function.
{
int z;
z=x-y;
printf("%d - %d = %d\n", x,y,z);
}
void divide(int x,int y) // Definition function.
{
float z;
z=x/y;
printf("%d / %d = %f\n", x,y,z);
}
void main()
{
int a,b,i;
clrscr();
printf("\n\n***********Calculator : Type number***********\n\n");
printf("Type first number : ");
scanf("%d",&a);
printf("\nType second number : ");
scanf("%d",&b);
clrscr();
printf("\n\n***********Calculator : Choose operation***********\n\n");
printf("Select an option for perform the calculation task for these two numbers %d and %d\n\n",a,b);
printf("Choose option \n\n");
printf("for \n'+' : (1)'\n'x' : (2)\n'-' : (3)\n'/' : (4) : ");
printf("\n\nType here : ");
scanf("%d",&i);
clrscr();
printf("\n\n***********Calculator : Result (%d and %d)***********\n\n",a,b);
printf("Results is : ");
switch(i)
{
case 1 : sum(a,b);break; // Calling function.
case 2 : product(a,b);break; // Calling function.
case 3 : substraction(a,b);break; // Calling function.
case 4 : divide(a,b);break; // Calling function.
default : printf("\nYou put invalid input!!!"); // Calling function.
break;
}
printf("\n\n***********Thanks for using it***********\n\n");
printf("\n\n\n\n\t\t\t\tCreated by : Pawan Mall");
getch();
} |
