#include<stdio.h>
#include<math.h>
void add(int,int);
void sub(int,int);
void multi(int,int);
void div(int,int);
void sqr(int);
void sqrt(int);
void main()
{
int a,b,n;
printf("enter the number a= ");
scanf("%d",&a);
printf("enter the number b= ");
scanf("%d",&b);
printf("enter the no. for operation you want");
printf("press key\n 1 : add\n 2 : subt\n 3 : multi\n 4 : div\n 5 : square of the sum\n 6 : square root of sum");
scanf("%d",&n);
if(n==1)
{
add(a,b);
}
else if(n==2)
{
sub(a,b);
}
else if(n==3)
{
multi(a,b);
}
else if(n==4)
{
div(a,b);
}
else if(n==5)
{
sqr(a+b);
}
else if(n==6)
{
sqrt(a+b);
}
else
{
printf("invalid key entered");
}
}
void add(int a,int b)
{
int c;
c=a+b;
printf("sum=%d",c);
}
void sub(int a,int b)
{
int d;
d=a-b;
printf("subtraction = %d",d);
}
void multi(int a,int b)
{
int e;
e=a*b;
printf("multiplication = %d",e);
}
void div(int a,int b)
{
float f;
f=a/b;
printf("dividion = %f",f);
}
void sqr(int (a+b))
{
int g,c;
c=add(a,b);
g=pow(c,2);
printf("square of sum = %d",g);
}
void sqrt(int (a+b))
{
float h;
int c;
c=add(a,b);
h=sqrt(c);
printf("square root of sum = %f",h);
}
for more codes u can Visit http://codesofprogramming.blogspot.in/
#include<math.h>
void add(int,int);
void sub(int,int);
void multi(int,int);
void div(int,int);
void sqr(int);
void sqrt(int);
void main()
{
int a,b,n;
printf("enter the number a= ");
scanf("%d",&a);
printf("enter the number b= ");
scanf("%d",&b);
printf("enter the no. for operation you want");
printf("press key\n 1 : add\n 2 : subt\n 3 : multi\n 4 : div\n 5 : square of the sum\n 6 : square root of sum");
scanf("%d",&n);
if(n==1)
{
add(a,b);
}
else if(n==2)
{
sub(a,b);
}
else if(n==3)
{
multi(a,b);
}
else if(n==4)
{
div(a,b);
}
else if(n==5)
{
sqr(a+b);
}
else if(n==6)
{
sqrt(a+b);
}
else
{
printf("invalid key entered");
}
}
void add(int a,int b)
{
int c;
c=a+b;
printf("sum=%d",c);
}
void sub(int a,int b)
{
int d;
d=a-b;
printf("subtraction = %d",d);
}
void multi(int a,int b)
{
int e;
e=a*b;
printf("multiplication = %d",e);
}
void div(int a,int b)
{
float f;
f=a/b;
printf("dividion = %f",f);
}
void sqr(int (a+b))
{
int g,c;
c=add(a,b);
g=pow(c,2);
printf("square of sum = %d",g);
}
void sqrt(int (a+b))
{
float h;
int c;
c=add(a,b);
h=sqrt(c);
printf("square root of sum = %f",h);
}
for more codes u can Visit http://codesofprogramming.blogspot.in/
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