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http://math-children.com/en/intelligence-tests-hard.php IQ tests

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http://math-children.com/en/online-math-test-quiz.php Quiz test online

CroChicago

Looking for a good 3-dimensional vector modeling software for my Linear Algebra class? Does anyone have any recommendations?

siddarth kumar

Sir,
I am searching for a book 'the four color theorem: history, topology and ideas of proof' of graph theory. Could you please guide me where I can find it?

ABRAR

There are hundreds of thousands of webs as well as blogs on net. Just as Mymathforum ..where you can get free coaching from expert. Moreover by using google you can find many more notes, books, lectures, etc. But there must be time to spare for such activities...

skipjack

I think you mean The Four-Color Theorem: History, Topological Foundations, and Idea of Proof, which is obtainable from various booksellers, including Amazon and the Delhi Book Store. There is also a paperback edition, which would cost more. A web search should find more recent work on the theorem.