From: featherlite on

"JSH" <jstevh(a)gmail.com> wrote in message
news:d666c744-a2e2-4e00-893b-eb1ae6b1301d(a)j36g2000prj.googlegroups.com...
> I've been fascinated by the response to my posting of a general result
> for solving quadratic residues because of the elephant in the room NOT
> mentioned, which is that it is mod N, whereas mathematicians usually
> MUST use mod p, where p is a prime.


Hi, this is already done,
Dario Alpern has an on line calculators for this he put up over 10 years ago
home page is here;

http://www.alpertron.com.ar/CALTORS.HTM