How to make a simple Calculator With Programming Code

Hello Everyone,Here I show you the Simple Code of making a simple Calclator with c programming .This article will help you to make that such a calculator. A Simple Code is
Given Below :

#include<stdio.h>
#include<conio.h>
int main()
{
int n,num1,num2,result;
printf("\nwhat operation do you want to do?\n");
printf("press 1 for addition\n");
printf("press 2 for subtraction\n");
printf("press 3 for multiplication\n");
printf("press 4 for division\n");
scanf("%d",&n);
printf("please enter first number\n");
scanf("%d",&num1);
printf("please enter a second number\n");
scanf("%d",&num2);
switch(n)
{
case 1:result=num1+num2;
printf("addition of two numbers is %d",result);
break;
case 2:result=num1-num2;
printf("subtraction of two numbers is %d",result);
break;
case 3:result=num1*num2;
printf("multiplication of two numbers is %d",result);
break;
case 4:result=num1/num2;
printf("division of two numbers is %d",result);
break;
default:printf("worng input");
}
getch();
return 0;
}

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