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# Graph Program Tweet

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1. Graph Program
I have some work to do this summer for AS maths that has been set and it needs the use of a graph drawing computer program. At school we have a program called 'autograph' which we use, but that costs money to buy, and so I was wondering if anyone knew of any similar programs for drawing graphs that I could download for free.

By the way, I need it do be able to work out the gradient of a curve, and I also have a mac. It's probably a long shot but I thought I may as well ask. Thanks.
2. Re: Graph Program
I'm pretty sure you can download Autograph for a trial period, that's what I did for my C3 coursework.

On Mac's, isn't there something called Grapher or something?
3. Re: Graph Program
My school gave out free copies of Autograph because they had the extended licence available for schools.

If not, try Wolfram Alpha.
http://www.wolframalpha.com/input/?i=x^2%2By^2%3D10
I've plotted a simple circle on there just to show you what it comes out like.
Just type what you want in the box, and it will pretty much just do it for you!

If you enter the curve in the form , then you can look down to where it has 'implicit derivatives' on Wolfram.
One of the entries will be , and this gives the formula you want for the derivative
Last edited by placenta medicae talpae; 06-07-2012 at 20:08.
4. Re: Graph Program

This is the one I use. Just love it.

Last edited by Rishabh95; 06-07-2012 at 20:07.
5. Re: Graph Program
(Original post by placenta medicae talpae)
My school gave out free copies of Autograph because they had the extended licence available for schools.

If not, try Wolfram Alpha.
http://www.wolframalpha.com/input/?i=x^2%2By^2%3D10
I've plotted a simple circle on there just to show you what it comes out like.
Just type what you want in the box, and it will pretty much just do it for you!

If you enter the curve in the form , then you can look down to where it has 'implicit derivatives' on Wolfram.
One of the entries will be , and this gives the formula you want for the derivative
I don't know what an implicite derivative is, but it looks right, so thanks.
6. Re: Graph Program
(Original post by Rishabh95)

This is the one I use. Just love it.

Thanks, that looks alright as well. Will install.
7. Re: Graph Program
(Original post by CJG21)
I don't know what an implicite derivative is, but it looks right, so thanks.
It is correct, but you don't need to worry about what the words mean.
Just look for the funny symbol and think 'gradient' =)
8. Re: Graph Program
(Original post by CJG21)
Thanks, that looks alright as well. Will install.
9. Re: Graph Program
(Original post by CJG21)
I have some work to do this summer for AS maths that has been set and it needs the use of a graph drawing computer program. At school we have a program called 'autograph' which we use, but that costs money to buy, and so I was wondering if anyone knew of any similar programs for drawing graphs that I could download for free.

By the way, I need it do be able to work out the gradient of a curve, and I also have a mac. It's probably a long shot but I thought I may as well ask. Thanks.
https://www.desmos.com/calculator