I need to be able to plot X,Y graphs as well circles. I tried using octave but the functionality is just not there.
Does anyone have any recommendations?
I want to be able to generate graphs that are like this:
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1$\begingroup$ You could use the free online Desmos Graphing Calculator $\endgroup$ – Mufasa Sep 22 '13 at 13:29
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Check out geogebra: it's free open source software, readily available for download.!
You can draw with or without a pre-formatted coordinate grid with $x, y$ axes, and can draw shapes of any sort. The learning curve is not at all steep, so you can be up and running shortly after downloading!
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$\begingroup$ You're welcome! There is also free geogebra applications for tablets. $\endgroup$ – amWhy Sep 22 '13 at 13:34
