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**F.D.Walker****Member**- Registered: 2007-05-20
- Posts: 2

http://www.helium.com/tm/344327/calculus-basically-differentiation-integration

useful article about the basic AS level calculus. Decent website for more complicated stuff too.

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**mathsyperson****Moderator**- Registered: 2005-06-22
- Posts: 4,900

Hey F.D. Walker, welcome to the forum. I deleted your duplicate topic that you posted on the other board, hopefully you don't mind. That's a good article though, well explained.

The only flaw with it that I can see is that the ASCII graphs don't line up properly.

Why did the vector cross the road?

It wanted to be normal.

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**leecian****Member**- Registered: 2007-07-01
- Posts: 1

that is a beneficial site to all

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