calculator

Question

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,ch;
float result;
clrscr();
printf("enter 2 nos\n");
scanf("%d%d",&a,&b);
printf("1 for addition,2 for sub, 3 for multiplication,4 for div,5 for mod\n");
scanf("%d",ch);
switch(ch)
{
case 1:
result=a+b;
printf("%f",result);
break;
case 2:
result=a-b;
printf("%f",result);
break;
case 3:
result=a*b;
printf("%f",result);
case 4:
result=a/b;
printf("%f",result);
break;
case 5:
result=a%b;
printf("%f",result);
break;
default:
printf("not a valid entery");
}
getch();
}

please tell me if any error in this code

Answer 1

c language

Answer 2

What language is it?