info@cut-the-knot.org
June 9, 2014
An educational website that helps students, parents, and teachers to learn math. It covers algebra, arithmetic, logic, probability and visual illusions.
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Posted in Mathematics
An interactive math dictionary with enough math words, math terms, math formulas, pictures, diagrams, tables, and examples to satisfy your inner math geek. Read more…
Featuring online resources for mathematics teachers and students. Read more…
Provides free math help, tutorial videos on topics including arithmetic, algebra, trigonometry, and calculus. Read more…