TI-83 Plus Draw Instructions 235
Changing Points with Pt.Change(
To change (toggle on or off) a point on a graph, follow these steps.
1. Select 3:Pt.Change( (point change) from the DRAW POINTS menu.
2. Move the cursor to the point you want to change.
3. Press Í to change the point’s on/off status.
To continue changing points, repeat steps 2 and 3. To cancel Pt.Change(,
press ‘.
Drawing Points from the Home Screen or a Program
Pt.On( (point on) turns on the point at (X=x,Y=y). Pt.Off( turns the point off.
Pt.Change( toggles the point on or off. mark is optional; it determines the
point’s appearance; specify 1, 2, or 3, where:
1 = ¦ (dot; default) 2 = › (box) 3 = + (cross)
Pt.On(x,y[,mark])
Pt.Off(x,y[,mark])
Pt.Change(x,y)