Sage 4.0.2 Release Tour
Sage 4.0.2 was released on FIXME. For the official, comprehensive release note, please refer to FIXME. A nicely formatted version of this release tour can be found at FIXME. The following points are some of the foci of this release:
Algebra
Basic Arithmetic
Calculus
Combinatorics
Graphics
Interfaces
Miscellaneous
Modular Forms
Notebook
Number Theory
Numerical
Packages
Symbolics