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Mathematics -- Technology
Occurrence of the Conics
Real-world examples of occurrences of conic sections: ellipses, parabolas, and hyperbolas.
Frequently Asked Questions about Today's Cryptography
Many common questions about cryptography are answered in this May 2000 handbook by RSA Security, Inc. The contents include a basic introduction to cryptography, tools, applications, problems, cryptoanalysis, techniques...
9th Grade Math Proficiency Test
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
NASA Lewis Research
The Fast Lifting Wavelet Transform
A tutorial on wavelet filters aimed at engineers. Focusses on "lifting," a technique for creating a general framework to design filters for every possible wavelet transform. May be read online or downloaded in...
Herbert Wilf is a combinatorialist. The entire text of his books
Algorithms and Complexity
may be downloaded in PDF format, as may his "East Side, West Side" lecture notes on combinatorial...
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