Needs Answer
Hi
I use fitpoly when drawing graphs passing through a set of data points, but I am now in position where I need to estimate curves by hand..
So can I ask what arithmetic method that Geogebra uses in fitpoly?
I found some methods like newton interpolation but I am still not sure it is the same thing as Geogebra uses.
Thanks.
The same question 
Can you make a sample (if possible as ggb-file) and explain a little bit more.
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