Derive 6.1

Derive 6 is a powerful system for doing symbolic and numeric mathematics on your personal computer. It processes algebraic variables, expressions, equations, functions, vectors, matrices and Boolean expressions like a scientific calculator processes numbers.

e is a list of the major new features:
* display the steps in the simplification of an expression along with the transformation rules applied
* send and receive math worksheets to and from the TI-89, TI-92+, Voyage 200 TI CAS handhelds
* animate parameterized expression plots with slider bars
* automatically label plots showing the expression being plotted
* rotate 3D plots using the mouse
* easily navigate around the on-line help using the table of contents
* customize menus, toolbars, and shortcut keys
* profit from numerous other improvements, including:
o fully scaleable Derive Unicode font
o support for Unicode characters and html link hot spots in text objects
o state variables saved in DfW files
o optional multi-line editing
o parentheses matching on the edit line
o controllable display of 3D mesh lines and data-point sizes
o function for determining the Gröbner basis of a system of polynomials

Download:
http://rapidshare.com/files/148025373/Derive_6_downarchive.rar