Topic: Draw piecewise fucntion

Is it possible to add connective line between two parts in piecewise functions?
For example, connection between y=-1 and y=1 at x=0 in piecewise function sgn(x).

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Attachment icon sgn.png 8.47 kb, 100 downloads since 2018-12-14 

Re: Draw piecewise fucntion

Yes, inside the Insert function dialog you can set Draw type to Lines to get all parts connected.