On World Maths day (february 28th) Microsoft released Mathematics 4.0 and it`s add-in for Word and OneNote.

Microsoft Mathematics 4.0 provides a set of mathematical tools that help students get school work done quickly and easily. With Microsoft Mathematics, students can learn to solve equations step-by-step while gaining a better understanding of fundamental concepts in pre-algebra, algebra, trigonometry, physics, chemistry, and calculus.

**Features **

- A full-featured graphing calculator
- The Formulas and Equations Library
- The Triangle Solver
- The Unit Conversion tool
- Ink handwriting support

http://www.youtube.com/watch?v=hotnHrR_jmA

**Downloads **

- Mathematics 4.0: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9caca722-5235-401c-8d3f-9e242b794c3a
- Free Teachers Guides for Mathematics 4.0: http://www.microsoft.com/education/teachers/guides/mathematics_4.0.aspx
- Math add-in for Microsoft Word and OneNote http://www.microsoft.com/education/products/office/2010/default.aspx#add-ins