# Mathematics

## Abacus - http://www.abacushome.info

Information on the abacus, a tool which changed the course of technogical development.

## Geometry Help - http://www.geometry-help.info

Homework help website on Geometry and math such as how to calculate areas, volumes and Pythagorean Theorem.

## Mathematical Factoring and Number Factors - http://www.mathematical-factoring.info

Defines and explains different kinds of factoring, including finding the Greatest Common Factor (GCF) of two whole numbers.