math resources Archives - rweber.net

Graphing Utility Recommendation

Rebecca — Mon, 10 Feb 2014 13:00:09 +0000

Here at the start of another string of posts I wanted to recommend a graphing program I’ve used pretty intensively recently: Graphmatica. It’s shareware with a license fee of $25, and in particular if you want to graph complicated piecewise-defined functions it’s the best thing around. The graph below was entered as a single function.

The messy cropping job is all me. Graphmatica is lightweight and versatile, and if you have some experience with LaTeX you’ll be up and running in no time.

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Mathlinks: Statistics Edition

Rebecca — Mon, 09 Dec 2013 13:00:06 +0000

I had enough links from teaching statistics to make their own list. Actually several lists.

Textbooks and other comprehensive approaches

Online Statistics Education, an online openly licensed statistics text with labs; outgrowth of the Rice Virtual Lab in Statistics
StatLib, a statistics community database
The Little Handout of Statistical Practice, online textbook

Sources for statistics

Guide to sources of statistics from the US Census Bureau
UNdata, international statistical data
Facebook demographics vs. US demographics (April 2010)

Presentation of statistical information

Graphic Sociology: evaluating visual presentation of data
Information is Beautiful: data journalism in the form of visualization
ChanceWiki for Chance News, reviewing news stories involving probability or statistics
Junk Charts and Numbers Rule Your World, discussion of visual and written communication of statistical topics, respectively
Unclear statistics explanation in a news article

Et cetera

Why n-1 in the formula for sample standard deviation?, by Stephen A. Book
Correlation is not causation from xkcd
Statistics and dating from xkcd
Stochasticity episode from Radiolab

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Mathlinks

Rebecca — Mon, 02 Dec 2013 13:00:59 +0000

I had a page on my Notre Dame website called mathlinks. This isn’t the same collection but it falls into the same category.

The math genealogy page is always interesting reading.
A translation of Euclid’s Elements by Richard Fitzpatrick.
The University of Michigan’s Historical Mathematics Collection.
A page of famous codes and ciphers.
Animated GIF that I like for no good reason
An excellent site to point students to is Understanding Mathematics by Peter Alfeld at the University of Utah.
For review of high school skills assumed by the text (such as polynomial long division), I have pointed my students to S.O.S. Math, which has an easy to navigate layout and explanations plus exercises with answers.
The Quine Page: self-reproducing code. Not updated in a long time but features a lot of examples
Fooplot online graphing calculator; allows export of graph as svg, eps, pdf, or png
Another online graphing calculator
Java Graphers, applet graphing calculators that include 3D capability

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