cal

#include<stdio.h>


int sum(int a,int b)
{int sum=a+b;
return sum;
}
int sub(int a,int b)
{
int sub=a-b;
return sub;
}
int mul(int a,int b)
{
int mul=a*b;
return mul;
}
int div(int a,int b)
{
int div=a/b;
return div;
}
int mod(int a,int b)
{
int mod=a%b;
return mod;
}
int sqrr(int a)
{
int sqrr=a*a;
return sqrr;
}
double squareroot(int a)
{
double squareroot= sqrt(a);
return squareroot;
}

int main(){
    float x,y,s,su,m,d,r,sq,sqr,q,v;
    do{
    printf("What do you want to Calculate : \n Press 1 for +\n Press 2 for -\n Press 3 for *\n Press 4 for /\n Press 5 for %%\n Press 6 for square \n Press 7 for square root\n");
    scanf("%f",&q);
    printf(" Please enter your 1st number :\n");
    scanf("%f",&x);
    if(q==1||q==2||q==3||q==4||q==5)
    {
    printf("Please enter your 2nd number :\n");
    scanf("%f",&y);
    }

    if(q==1)
        {
        s=sum(x,y);
        printf("Sum is : %.2f\n",s);
        }
    else if(q==2){
        su=sub(x,y);
        printf("Sub is : %.2f\n",su);
        }
    else if(q==3){
        m=mul(x,y);
        printf("mul is : %.2f\n",m);
        }
    else if(q==4)
        {
        d=div(x,y);
        printf("Div is :%.2f\n",d);
        }
    else if(q==5)
        {
        r=mod(x,y);
        printf("Remainder is : %.2f\n",r);
        }


    if(q==6)
        {
        sq=sqrr(x);
        printf("Square is : %f\n",sq);
        }
    else if(q==7)
        {
        sqr=squareroot(x);
        printf("Square root is : %f\n",sqr);
        }

    printf("Do you want to calculate again? \n Please press 1 for yes and 2 for no");
    scanf("%f",&v);
    }
    while(v==1);

    return 0;
}