Archive for the “Math” category

Polygons and Points

by Marshall on May 13, 2005

Here is an interesting article, circa 1987, which provides a nice explaination, and some C code, on how to programatically determine if a point in a 2-D or 3-D space lies within an n-sided polygon.

Self-Referential Aptitude Test

by Marshall on May 9, 2005

Here is a fun, and somewhat annoying IQ test designed by James Propp at the University of Wisconsin – Madison. The S.R.A.T Also check out one of his other puzzles, Capital Punishment.

New Category; Math

by Marshall on May 2, 2005

So I’ve added a new category, math, to the list, and to commemerate it’s induction, an interesting rational number 80/81 which has the interesting property that it repeats the number sequence 987654320, almost counting down from 9 to 0. Now (…)

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Euler’s Formula

by Marshall on February 24, 2005

So my Physics professor jarred my memory and mentioned Euler’s Formula, specifically this case: . What is interesting about this identity is that it involves the fundamental numbers i, pi, e, 1, and 0.

Get your Math Here

by Marshall on February 10, 2005

Donnie posted a couple of math puzzles. The one about having aribtrary denominations of currency seems the most interesting to me. A couple of days ago I installed fyre on my gentoo box. Fyre is a Peter de Jong map (…)

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