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"Drawing" Points on screen

 
Greenhorn
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I have set up the framework for a program which would graph functions. All I need is to figure out how to draw the hundreds (or so) points on the screen to form a meaningful graph. I'm assuming that's the way I'd have to do it.

How might I go about doing that? I suspect creating a couple hundred "point" objects is probably not the way to go...
 
Ranch Hand
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Here's one way to do it.
 
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