C Language - Calculator

 

#include <stdio.h>

#include <conio.h>

int main(int *argc, char const *argv)

{

int func;

float a;

float b;

printf ("\t\t***** Welcome to Arithematic Calculator *****\n");

printf ("Press 1 for Addition\n Press 2 for Subtraction\n Press 3 for Multiplication\n Press 4 for division\n");

scanf ("%d", &func);

switch (func) 

{ 

case 1:

printf ("Enter two numbers for Addition\n");

scanf ("%f %f", &a, &b);

printf ("The sum is %f", a+b);

break;

case 2:

printf ("Enter two numbers for Subtraction\n");

scanf ("%f %f", &a, &b);

printf ("The subtraction is %f", a-b);

break;

case 3:

printf ("Enter two numbers for Multiplication\n");

scanf ("%f %f", &a, &b);

printf ("The multiplication is %f", a*b);

break;

case 4:

printf ("Enter two numbers for Division\n");

scanf ("%f %f", &a, &b);

printf ("The division is %f", a/b);

break;

default :

printf ("Please enter a correct number to Calculate numbers\n"); 

break;

} 

}  

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