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Pronunciation Guide for Mathematics
math mathematics linguistics
may 2010 by jtth

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Periodic Table of Mathematicians
mathematics education biography
february 2010 by jtth

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Simplifying calculus by assuming linearity « Casting Out Nines

Last semester I stumbled upon an approach for teaching the concept of the derivative, and later the integral, that worked surprisingly well with my students. It stems from a realization I had that much of what students see when they first learn about derivatives has very little to do with understanding what a derivative is. The typical approach to introducing the derivative throws students directly into the trickiest possible case: a smooth nonlinear curve, and we want to calculate the slope of a tangent line to this curve at a point. To do this, we have to bring in a lot of “stuff”: average rates of change, tables of sequences of average rates of change, and in a vague and non-rigorous sort of way the notion of a limit. It’s this “stuff” that confuses students — not because it’s hard, but because maybe it’s not suited for their first contact with the idea of the derivative. Maybe we need to build their intuition first.

mathematics education
january 2010 by jtth

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Math Overflow

A place for mathematicians to ask and answer questions

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december 2009 by jtth

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Statistics - Wikibooks, collection of open-content textbooks
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may 2009 by jtth

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Linear Algebra textbook home page

The text Linear Algebra is free for downloading, It covers the material of a first undergraduate Linear Algebra course. You can use it either as a main text, as a supplement to another text, or for independent study.

free education books book math mathematics algebra linear linearalgebra
may 2009 by jtth

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Wolfram Blog : Droste Effect with Mathematica

Take a look at this Demonstration using the original Droste box artwork. But much more interesting results can be achieved when you get complex analysis involved. M.C. Escher was the first to popularize applying conformal mapping to images, but with computers we can easily apply the same ideas to photographs, to get results like this:

tutorial programming math mathematics photography photo images mathematica droste
april 2009 by jtth

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Backpropagation

The project describes teaching process of multi-layer neural network employing backpropagation algorithm. To illustrate this process the three layer neural network with two inputs and one output,which is shown in the picture below, is used:

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december 2008 by jtth

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NumberSpiral.com - Home

Really cool number spiral play.

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december 2008 by jtth

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10 Easy Arithmetic Tricks - The List Universe

Math can be terrifying for many people. This list will hopefully improve your general knowledge of mathematical tricks and your speed when you need to do math in your head.

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september 2008 by jtth

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Rich Holowczak's RSA Demo Applet
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august 2008 by jtth

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PARI/GP Development Headquarters

PARI/GP is a widely used computer algebra system designed for fast computations in number theory (factorizations, algebraic number theory, elliptic curves...), but also contains a large number of other useful functions to compute with mathematical entities such as matrices, polynomials, power series, algebraic numbers etc., and a lot of transcendental functions. PARI is also available as a C library to allow for faster computations.

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august 2008 by jtth

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BBC NEWS | Health | Brain's counting skill 'built-in'

Humans have an in-built ability to do mathematics even if they do not have the language to express it, a research team has suggested.

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august 2008 by jtth

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Figures for "Impossible fractals"
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august 2008 by jtth

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Several Proofs of the Twin Primes Conjecture

Proof of Goldbach's Conjecture, the Prime Number Theorem, and Euclid's Logic Provide Proofs of the Twin Primes Conjecture. Proof of the Twin Primes Conjecture Provides Proof of Goldbach's Conjecture

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july 2008 by jtth

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plenty-web
physics feynman nanotechnology lectures SCIENCE nanotech academia computerscience mathematics
june 2008 by jtth

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The Coq proof assistant
computer_science sc math mathematics proof program language
may 2008 by jtth

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What Every Computer Scientist Should Know About Floating-Point Arithmetic

This paper presents a tutorial on those aspects of floating-point that have a direct impact on designers of computer systems. It begins with background on floating-point representation and rounding error, continues with a discussion of the IEEE floating-p

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april 2008 by jtth

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Scythe Statistical Library
Statistics programming c++ software Math libraries computing machine-learning library mathematics numerical scientific
february 2008 by jtth

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Matlab/Octave Tutorial
free math mathematics reference matlab tutorial octave
february 2008 by jtth

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Welcome to Cogprints - Cogprints
psychology science cognition linguistics RESEARCH philosophy reference academic aggregator ai anthropology archive article articles biology artificial books brain cognitive cognitivescience cogsci computer computerscience consciousness culture database mathematics logic list repository resource publishing learning compsci library Languages language perception papers knowledge paper intelligence journal paleontology open_access imported imaging open neuroscience great genetics vision thinking web study evolution free neuropsychology speech source neurology electronic social search neuralnetworks download neural robotics document docs mind databases medicine resources
february 2008 by jtth

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Tutorial - sympy - Google Code
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january 2008 by jtth

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Boltzmann's Universe | Cosmic Variance
cosmology science math mathematics maths physics theory space time
january 2008 by jtth

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SAGE: Open Source Mathematics Software

"Building the Car Instead of Reinventing the Wheel"

math python software opensource programming tools Mathematics
december 2007 by jtth

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Sparkline PHP Graphing Library

Sparklines are "intense, simple, wordlike graphics" so named by Edward Tufte. In lieu of a more detailed introduction, Professor Tufte's site has an early release of a chapter on sparklines.

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december 2007 by jtth

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Documentation -

This is an official center for all documentation to NumPy and SciPy.

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october 2007 by jtth

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[ wu :: riddles(intro) ]

WELCOME to [wu:riddles]! This is an archive of problems I've been collecting since the Spring of 2002. They come from many places, including word of mouth, college courses, books, and job interviews for hi-tech positions. Many are even written by members

puzzles riddles logic math games fun puzzle technical resources mind problem problems language library lists gallery enigma computing algorithms brain Geek reference mathematics
september 2007 by jtth

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SciPy -

SciPy (pronounced "Sigh Pie") is open-source software for mathematics, science, and engineering. It is also the name of a very popular conference on scientific programming with Python.

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september 2007 by jtth

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NPR: A Four-Dimensional Tribute to the Late Madeleine L'Engle

An actual tesseract is best described as a four dimensional cube...and is kind of confusing. So, in memory of L'Engle, we met up with Physicist David Morgan who took a little time out of his day to talk tesseracts with the BPP. Put your measley three-dime

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september 2007 by jtth

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R: Statistical Software for Psychology Research

Doing psychology research in R. Insane amount of material here. Insane.

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september 2007 by jtth

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Best Free Documentaries: Dangerous Knowledge - Full Documentary

In this one-off documentary, David Malone looks at four brilliant mathematicians - Georg Cantor, Ludwig Boltzmann, Kurt Gödel and Alan ... all » Turing - whose genius has profoundly affected us, but which tragically drove them insane and eventually led

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september 2007 by jtth

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Society for Mathematical Pychology
mathematical math maths mathematics psychology society
august 2007 by jtth

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Classic Fallacies -- 1=2: A Proof using Complex Numbers

Heh. Cool proof with fallacies.

math mathematics complex number numbers
july 2007 by jtth

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The Countless Achievements of a Math Master - washingtonpost.com

f one is not a mathematician (and except for a few of you out there, who is?), it's going to be impossible to actually understand why Euler was such a great man. Other people will have to tell us, and we should probably believe them.

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june 2007 by jtth

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Mathematician suggests extra dimensions are time-like

AHahahahahaaha wtf.