Texas Instruments TI-73VSC Guidebook - Page 211
Pxl-On(, and Pxl-Change, column, row
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Chapter 10: Drawing 205 Pxl-On(, Pxl-Off(, and Pxl-Change( 2 " 4, 5, and 6 Pxl-On(, Pxl-Off(, and Pxl-Change( turn on, off, or change the status of a pixel only from the Home screen or the Program editor. When you select a pixel instruction from the 2 POINTS menu, the TIN73 returns you to the Home screen or the Program editor. Since the pixel instructions are not interactive, they cannot be used from the Graph screen. A pixel is independent of the X- and Y- axes. It is based instead on the physical size of the screen. The screen is divided into pixels specified as (row,column). 0row62 and 0column94. Pxl-On(, Pxl-Off(, and Pxl-Change( accept two mandatory arguments: row and column, which specify the pixel that you want to draw, erase, or change. Pxl-On(row,column) Pxl-Off(row,column) Pxl-Change(row,column) ³ Turn on the pixel at (45,35). 1. From the Home screen, clear the Graph screen. -l: 21b 2. Turn on the pixel. 2"4 45¡35Eb