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Does anyone know if there's a software or app that lets you draw functions and then write out its equations automatically? I know that GeoGebra does it but all the way around. I've been searching and I only found one which is for Windows.

Sirena S. C.
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  • You're going to have to be more specific. Are you asking for software that will perform regressions? That said, I think this question is off topic anyway. – jgon Jan 11 '19 at 19:25
  • I don't know what regression is (my mother tongue isn't English). I want to be able to draw (or by "curve fitting") piecewise-defined functions, for example and that later on the program would give me the equations of that. – Sirena S. C. Jan 11 '19 at 19:31
  • roughly speaking regression is the process of fitting a curve to data. Many statistical packages, and even Microsoft Excel can do various forms of regression analysis. – jgon Jan 11 '19 at 19:33
  • @jgon no, I don't think that has to do with anything that I want to do. I want to be able to make these types of functions https://image.slidesharecdn.com/2-130925143628-phpapp02/95/writing-piecewise-functions-word-problems-4-638.jpg?cb=1380119816 – Sirena S. C. Jan 11 '19 at 19:37
  • Are you trying to plot piecewise functions? – jgon Jan 11 '19 at 19:41
  • @jgon I think that is what is called. Not graph it knowing the equations but doing the opposite thing. – Sirena S. C. Jan 11 '19 at 19:43
  • If you have the equations and want to graph it, that's called plotting. If you have the graph (or some points on it) and want to find its equation, that's regression. – jgon Jan 11 '19 at 19:44
  • Also, the answers in the question you linked are examples of regression software. Also they aren't for windows, they're online. (At least one of them) – jgon Jan 11 '19 at 19:46
  • @jgon oh i get it now! Yes, I want a program that can perform regressions – Sirena S. C. Jan 11 '19 at 19:47
  • @jgon yes, the curvefit one but it only visualizes the positive part of the x and y coordinates – Sirena S. C. Jan 11 '19 at 19:50

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What you want is just impossible. This is the reason why you can't find any piece of software.

Siminore
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