# Sage 4.0.1 Release Tour

Sage 4.0.1 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

## Algebraic Geometry

## Basic Arithmetic

## Combinatorics

## Commutative Algebra

## Geometry

## Graph Theory

## Graphics

## Group Theory

## Interfaces

## Linear Algebra

## Miscellaneous

## Modular Forms

## Number Theory

## Packages

## P-adics

## Quadratic Forms

## Symbolics