Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,613

This is interesting: http://www2.stetson.edu/~efriedma/squinsqu/

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,291

Hi MathsIsFun;

Thanks for providing that! There is a link to his paper at the bottom. Also, it will eventually take you to the Electronic journal of combinatorics.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**John E. Franklin****Member**- Registered: 2005-08-29
- Posts: 3,588

When I worked in produce, the oranges came 72 or 113 in a box.

I used to sift thru IEEE journals from the 1920's to the present on logic circuits, talking about combinatorics.

Once I ran into a neat algorithm using XOR gates that I could not comprehend though.

**igloo** **myrtilles** **fourmis**

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