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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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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,659

Hi Identity;

I used to use gbplot.

http://www.garybeene.com/free/gbplot.htm

bobbym

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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