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The [draw] points menu, The 2, Points menu – Texas Instruments TI-73 EXPLORER User Manual

Page 207

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Chapter 10: Drawing

201

7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 201 of 22

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

Y

n

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

Y

n

functions and stat

plots deselected.

2 "

1:Pt-On(

Turns on a point.

2:Pt-Off(

Turns off a point.

3:Pt-Change(

Toggles a point on or off.

4:Pxl-On(

Turns on a pixel.

5:Pxl-Off(

Turns off a pixel.

6:Pxl-Change(

Toggles a pixel on or off.

7:pxl-Test(

Returns 1 if pixel is on, 0 if pixel is off.