Texas Instruments TI-83 PLUS - Manual (Page 574)

TI-83 Plus Activities 571
:If 1 à 3 <N and N2 à 3
:Then
:.5(.5+X)!X
:.5(1+Y)!Y
:End
If / Then group.
:If 2 à 3 <N
:Then
:.5(1+X)!X
:.5Y!Y
:End
If / Then group.
:Pt-On(X,Y) Draw point.
:End End of For group.
:StorePic 6 Store picture.
After you execute the program above, you can recall and display the
picture with the instruction
RecallPic 6 .