Texas Instruments TI-84 PLUS SILV Guidebook - Page 140
Turning On and Off Pixels with Pxl-On and Pxl-Off, Using pxl-Test, Split Screen
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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(. Chapter 8: Draw Instructions 133