[1X1 [33X[0;0YPreface[133X[101X
[33X[0;0YThis is one of the three main [5XGAP[105X books. It describes most essential changes
from previous [5XGAP[105X releases.[133X
[33X[0;0YIn addition to this manual, there is the [13X[5XGAP[105X Tutorial[113X and the [13X[5XGAP[105X Reference
Manual[113X containing detailed documentation of the mathematical functionality
of [5XGAP[105X.[133X
[33X[0;0YA lot of the functionality of the system and a number of contributed
extensions are provided as [5XGAP[105X packages, and each of these has its own
manual. New versions of packages are released independently of [5XGAP[105X releases,
and changes between package versions may be described in their
documentation.[133X