1.  My notes on computations in groups  - all sorts of  neat stuff
 
     My notes on sets,  functions and groups

     My notes on polyhedra and C-groups

     Brief notes on number theory

     More  notes on groups, with a description of
coset enumeration

2. Notes from my course Math 3353 in 2010 

3. An extended Gap session for learning the language

    Examples for easy pasting into a Gap session

4. Gap exercises courtesy Professor Peter Webb                    

5.  Several other files for your use  are available in this directory.

                           Gap code for the 3 by 3 by 3 Rubik's cube   as corrected by Ryan Oulton.
    
                           Some notes on the 3 by 3 by 3 cube and on the smaller 2 by 2 by 2 cube

                           etc.
.