A free program for Android, by Microsoft Corporation.

Math is the universal language of science and engineering. Mathematics is also the language of logic and reasoning, and as such, it is essential for the development of the human mind. The mathematics knowledge base of the computer is one of the most extensive and powerful of its kind in the world.

It is used for a variety of purposes, including the development of logic and numerical algorithms, the study of physical phenomena, and the construction of physical devices. It is also used to model various physical systems, and to study the behavior of matter and the properties of energy.