Economics involving calculus

any software to recommend to plot a demand curve?

i need to deduce the equation of the curve given a data of points but i have no idea how to do it!!! please help!!!

the data is as follows:

Unit Price (P) in $ Quantity Demanded (Q) in units

0 500

5 450

8 372

10 300

12 212

15 50

Re: Economics involving calculus

Hey lilrainbowsky.

Do you have Microsoft Excel?

Re: Economics involving calculus

Yes yes!! I do have that! 2010 version. Do you have any idea how can I do it?

Thanks a lot!! :)

Re: Economics involving calculus

An example of linear fitting:

Data Fitting Using Excel.

An example of non-linear fitting:

Microsoft Excel: A Turorial