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

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**Identity****Member**- Registered: 2007-04-18
- Posts: 934

This website has a really good free downloadable calculator for graphing. It's 3D graphs in particular are of a much better standard than you would get in handhelds.

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**Patrick****Real Member**- Registered: 2006-02-24
- Posts: 1,005

love this part of the site:

http://www.graphcalc.com/y2k.shtml

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What music do I listen to? Clicky click

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,869

**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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