We get pathetically stumped trying to work out simpleton math questions like “what is 12.25% of £35″,” but for those folks who cant get enough of chewing on complex numbers, Microsoft is offering its Mathematics 4.0 graphing calculator for absolutely nowt.

Now, we wouldn’t know what a graphing calculator was if it came over and took us out for a pint, but apparently the Microsoft freebie provides “a set of mathematical tools that help students get school work done quickly and easily.”

Microsoft continues:

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.

Microsoft Mathematics includes a full-featured graphing calculator that’s designed to work just like a handheld calculator. Additional math tools help you evaluate triangles, convert from one system of units to another, and solve systems of equations.

**Ribbons and roots**

The software employs the standard Microsoft ribbon interface seen in Microsoft Office and other Microsoft applications with a graphic calculator on the left side containing elements and options that can be added to the expression.

Here’s the kind of fun you can have with the app:

- Computing standard mathematical functions such as roots and logarithms
- Solving equations and inequalities.
- Solving triangles.
- Converting measurements from one unit to another
- Computing trigonometric functions, such as sine and cosine
- Performing matrix and vector operations, such as inverses and cross-products.
- Computing basic statistics, such as mean and standard deviation.
- Performing operations on complex numbers
- Plotting 2D and 3D graphs in Cartesian, polar, cylindrical, and spherical coordinates. /li>
- Finding derivatives and integrals, limits and sums and products of series
- Finding, plotting, and solving common formulas and equations.

You can download Microsoft Mathematics 4.0 from here Microsoft.com in both 32-bit and 64-bit editions.

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64 bit version doesn’t seem to work for me. Says that the cabinet is corrupt.