Allen Downey

Allen Downey is a professor of Computer Science at Olin College in Needham MA
http://sites.google.com/site/allendowney/

He writes an interesting blog focused on probability and statistics problems: 
http://allendowney.blogspot.com

He's also the author of a book:
Probability and Statistics for Programmers
which is published by O'Reilly
http://greenteapress.com/thinkstats/

and also available under the Creative Commons 3.0 license as a PDF: http://greenteapress.com/thinkstats/thinkstats.pdf

Sage: Open Source Mathematics Software

http://www.sagemath.org/

Sage is a free open-source mathematics software system licensed under the GPL. It combines the power of many existing open-source packages into a common Python-based interface.

Mission: Creating a viable free open source alternative to Magma, Maple, Mathematica and Matlab.

Monads

Today I'm reading some background on Monad theory - as it relates to computer programming.

http://en.wikipedia.org/wiki/Functor

http://en.wikipedia.org/wiki/Adjoint_functors

http://en.wikipedia.org/wiki/Closure_operator

http://en.wikipedia.org/wiki/Kleisli_category

http://en.wikipedia.org/wiki/Continuation

http://lambda-the-ultimate.org/node/86

http://sanjaypande.blogspot.com/2004/06/understanding-scheme-continuations.html


http://www.java.net/external?url=http://blog.tmorris.net/understanding-monads-using-scala-part-1/

http://www.java.net/external?url=http://blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html

http://www.java.net/external?url=http://byorgey.wordpress.com/2009/01/12/abstraction-intuition-and-the-monad-tutorial-fallacy/

http://stackoverflow.com/questions/1823731/can-somebody-please-explain-this-continuation-in-scheme

Mathematics Genealogy Project

http://genealogy.math.ndsu.nodak.edu/

List of Mathematical Symbols

http://en.wikipedia.org/wiki/List_of_mathematical_symbols

The On-Line Encyclopedia of Integer Sequences (OEIS)

http://oeis.org/

Some new links...

http://en.wikipedia.org/wiki/Kelly_criterion

The original manuscript written by J.L. Kelly, Jr. in 1956, "A New Interpretation of Information Rate"
http://www.racing.saratoga.ny.us/kelly.pdf


http://en.wikipedia.org/wiki/St._Petersburg_paradox

SymPy: A Python library for symbolic mathematics
http://en.wikipedia.org/wiki/Sympy
http://sympy.org/
http://code.google.com/p/sympy/
http://planet.sympy.org/

mpmath: Python library for arbitrary-precision floating-point arithmetic
http://code.google.com/p/mpmath/

Sage: Open Source Mathematics Software
http://sagemath.org/