Chapter 8: Draw Instructions 133
the
DRAW POINTS menu, the TI-84 Plus returns to the home screen or the program editor. The
pixel instructions are not interactive.
Turning On and Off Pixels with Pxl-On( and Pxl-Off(
Pxl-On( (pixel on) turns on the pixel at (row,column), where row is an integer between 0 and 62 and
column is an integer between 0 and 94.
Pxl-Off( turns the pixel off. Pxl-Change( toggles the pixel on and off.
Pxl-On(row,column)
Pxl-Off(row,column)
Pxl-Change(row,column)
Using pxl-Test(
pxl-Test( (pixel test) returns 1 if the pixel at (row,column) is turned on or 0 if the pixel is turned off on
the current graph.
row must be an integer between 0 and 62. column must be an integer between 0
and 94.
pxl-Test(row,column)
Split Screen
On a
Horiz split screen, the maximum value for row is 30 for Pxl-On(, Pxl-Off(, Pxl-Change(, and
pxl-Test(.
On a
G-T split screen, the maximum value for row is 50 and the maximum value for column is 46 for
Pxl-On(, Pxl-Off(, Pxl-Change(, and pxl-Test(.