Texas Instruments TI-73VSC Guidebook - Page 207
The [DRAW] POINTS Menu
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Chapter 10: Drawing 201 The 2 POINTS Menu The 2 POINTS menu items let you draw or erase individual points or pixels on top of function graphs and stat plots (see Chapter 9: Function Graphing and Chapter 6: Statistical Plots). The way the TIN73 interprets the point instructions depends on whether you accessed the instructions from the Home screen or the Program editor, or directly from a graph. Redefining WINDOW values (( 6:ZStandard), graphing a Yn function or stat plot, or pressing ( erases all drawn items from the Graph screen. Note: All examples in this section show the Graph screen set to standard WINDOW values and with all Yn functions and stat plots deselected. 2" 1:Pt-On( 2:Pt-Off( 3:Pt-Change( 4:Pxl-On( 5:Pxl-Off( 6:Pxl-Change( 7:pxl-Test( Turns on a point. Turns off a point. Toggles a point on or off. Turns on a pixel. Turns off a pixel. Toggles a pixel on or off. Returns 1 if pixel is on, 0 if pixel is off.