Smoothed Curves

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If you join points with a tilde (~), the graph tool will draw a smoothed line joining the points.


For example, if you enter (-10,-4)~(-5,3)~(1,-1)~(6,8)~(10,-4) as your function, the graph tool will draw this graph.




You can mix ~ and + in the same function.






The smoothed curves do not have to be left to right. In other words, they do not need to represent a function.