## Mathematics lesson and learning tools

Our latest additions:

**Problem Sums Worksheet Generator**. Download dynamically generated mathematics word problems (problem sums) worksheets including detail worked out solutions. Great exercises for elementary / primary level students as well as for parents to guide their children learning mathematics.**Printable Worksheet Generator**. Download dynamically generated worksheets for addition, subtraction, multiplication, division, and fractions. Great exercises for children. Multiplication and division of fractions have been added.**Geometric Linear Transformation (3D)**. The 3D version of our linear transformation calculator is now available. Use this calculator to find the result of 3D transformation such as rotation, relfection, scaling (contraction/dilation), or shear in three-dimensional space.**I Do Maths Blog**. We have just added a mathematics blog to complement this site with interesting and useful articles about mathematics. If you have a passion for mathematics and like to write, you are welcome to contribute your own articles.

Mathematics is fun! But not only fun, it's also very important. Here we hope to help you with your journey in learning Mathematics. Feel free to drop suggestion and comments to [email protected]. We hope the tools and materials available here will be useful for you.

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Latest updated: Quadratic Equation, Worksheet Generator - added multiplication and division of fractions, Probability - Bayes' Theorem, Matrix Calculators, Gauss-Jordan Elimination - automatically append Identity Matrix, Simultaneous Linear Equations, Probability: Bayes' Theorem, Significant Figures Calculator, Geometric Linear Transformation,

### Mathematics News

*Fri, 12 Sep 2014 08:42:49 EDT*

An image created by geometer Edmund Harriss made the cover of the mathematics journal Notices, published by the American Mathematical Society. The image, created in collaboration with Bill Casselman, appeared on the August 2014 edition (Volume 61 Number 7). It shows a stepped path winding through space with the corners of the path projected onto a plane. On the plane each type of corner lives in its own region. The collection of these regions is the Rauzy Fractal.

*Tue, 26 Aug 2014 07:50:06 EDT*

The heat equation is one of the most important partial differential equations. The behavior of the solution to the equation reflects the geometry of the underlying space very well. Therefore, this equation has been investigated very extensively in both analysis and geometry. The solution evolves over time so that the Dirichlet's energy functional decreases most efficiently. Recently, F. Otto introduced another characterization: the solution evolves so that the Boltzmann entropy increases most efficiently from the viewpoint of optimal transportation. Both of these characterizations enable us to study the heat equation on spaces admitting singularities, where usual differential calculus does not work. However, their identification in such spaces is unknown.

Provided courtesy of: **Phys.org: Mathematics News**

Phys.org provides the latest news on mathematics, math, math science, mathematical science and math technology.