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Introduction to Differential Equations: Online Free Resources

Differential equations (DEs) involve derivatives of functions. Differential equations have remained at the forefront of various disciplines including applied mathematics, physics, engineering, chemistry, biology, economics and social sciences. These equa

Online Free Resources

Mathworld

A free resource from Wolfram Research based on Eric Weissteinn CRC Concise Encyclopedia of Mathematics.

Math Forum@Drexel

An open website of problems and puzzles, online mentoring, research, team problem solving, collaborations, and professional development.

NISTDigital Library of Mathematical Functions

A free electronic copy of NIST Handbook of Mathematical Functions. Contains notation, properties, applications, and computation.

S.O.S. Mathematics

Free, online resource offering quick summaries of mathematical topics, tables, and formulas.