Mark Meretzky

Still to do: many of the links on this new server are broken. Must change to

Answers to A Book of Abstract Algebra, 2nd ed. by Charles C. Pinter

Links to my answers at

Courses that Mark is teaching in Fall 2018 at NYU SPS Info Tech

Other courses Mark has taught at NYU SPS Info Tech

Courses that Mark has taught at Pace University

Courses that Mark teaches at DevCon5

Courses that Mark teaches at QCon

Contact information

How to do things on

The “secure shell”

To log into, you need a client that speaks the “Secure Shell” protocol. For Windows, get PuTTY from its own website, or from the NYU website, or from the free ITS NYU-NET CD at one of the computer labs. For Unix, get ssh. There’s even an O’Reilly book about ssh.


  1. Open GL
  2. GTK


Planetarium Operator

Mark was also one of the operators of the Andrus Planetarium at the Hudson River Museum of Westchester.

People and things that Mark likes