Casio FX-9750G Manuel - Page 16

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10 - 2

Graphing with the Sketch Function

u u u u u To turn pixels on and off

• To turn a pixel on

PxlOn <line number>, <column number>

• To turn a pixel off

PxlOff <line number>, <column number>

• To change the on/off status of a pixel

PxlChg <line number>, <column number>

u u u u u To check the on/off status of a pixel

While the sketch menu is on the screen, press 6 (g) 6 (g) 4 (Test) and then

input the command shown below to check the status of the specified pixel. 1 is

returned when the pixel is on, and 0 is returned when the pixel is off.

PxlTest <line number>, <column number>

k k k k k Clearing Drawn Lines and Points

The following operation clears all drawn lines and points from the screen.

u u u u u To clear lines and points in the STAT, GRAPH, TABLE, RECUR and

CONICS Modes

Lines and points drawn using sketch menu functions are temporary. Display the

sketch menu and press 1 (Cls) to clear drawn lines and points, leaving only the

original graph.

u u u u u To clear drawn lines and points in the RUN or PRGM Mode

The following is the syntax for clearing drawn lines and points, as well as the graph

itself.

Cls EXE

• Specify a line in the range of 1 to 63 and a column in the range of 1 to 127.

• Trying to perform one of the above operations without specifying a line and

column number results in an error (Syn ERROR).

• Pixel operations are valid only within the allowable line and column ranges.

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