9th Grade Math Practice Questions to test addition, multiplication, word-problem skills, and basic algebraic skills. Includes answers and explanations. From the Proficiency Building Activities of the NASA Lewis Research...

This is a comprehensive bibliography on axiomatic set theories which have a universal set. (Zermelo-Fraenkel set theory, the most widely studied set theory, does not have a universal set.) This field presently includes...

A study guide for basic math courses, titled "How to Survive Your College Math Class (and Take Home Something of Value)," includes sections on study skills, reading and understanding mathematics (featuring "An Equation...

Commonly used by plant community ecologists, Fuzzy Set Ordination (FSO) is a technique for "find[ing] associations between site factors and species distributions." Richard Boyce, Assistant Professor of Biological...

Provided by the University of Vienna’s futureMedia initiative, the Maths Online Gallery consists of a large collection of extremely useful interactive learning units that demonstrate mathematical concepts. A large...