(84) :Pt-Change(x coordinate,y coordinate)
(89) :PtChg x-coordinate,y-coordinate

Turns a point relative to the graph screen on if it was off or off if it was on. Note that this does not work like Pxl Change, and that the X coordinate must be given before the Y coordinate. Pt-Change( turns a point on/off relative to the window settings, and these might be changed accordingly to let the point show up.


  • Draw
  • Points
  • 3:Pt-change(



This program turns on a pixel at 5,5 then pauses then it changes the point turning it off. After another pause, the point changes again, turning it back on.

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