类似的网站 Planetmath.Org
PlanetMath
描述: A collaborative encyclopaedia with entries contributed under the GNU Free Documentation License.
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A site for lovers of obscure and unusual words, featuring a dictionary of rare words, word lists of vocabulary on specific topics, essays and discussions on ...
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4.2 / 5.0, 语: English
Collaborative directory of people, organizations and issues shaping the public agenda. Catalogs PR firms, activist groups and government agencies, along with the ...
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4.2 / 5.0, 语: English
Open Learning Discovery Platform and Complete Database of Schools.
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3.9 / 5.0, 语: English
Founded to promote mathematical research and education through conferences, contests surveys, publications, employment services, scholarship programs, locating ...
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4.3 / 5.0, 语: English
Math Help Forum is a free math help forum for Calculus, Algebra, LaTeX, Geometry, Trigonometry, Statistics and Probability, Differential Equations, Discrete Math
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4.1 / 5.0, 语: English
Given an integer sequence, find its name, and formula.
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3.9 / 5.0, 语: English
Everything2 is a community for fiction, nonfiction, poetry, reviews, and more. Get writing help or enjoy nearly a half million pieces of original writing.
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4.3 / 5.0, 语: English
Features common formulas for arithmetic, algebra, geometry, calculus, and statistics. theorem, Also, has forum board to ask questions. Available in both English and ...
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4.0 / 5.0, 语: English