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Chapter 6: Advanced Graphing Features — Advanced Keyboard
1 PntON( PntON(
x-coordinate, y-coordinate
)
Draws a point at a given coordinate. It takes the X-Y
coordinate as an argument.
This tool can either be accessed from the GRAPH
window or other windows. Entering from the GRAPH
window enables a graphic entry, while entering from
other windows enables text-based entry.
2 PntOFF( PntOFF(
x-coordinate, y-coordinate
)
Erases a pixel point. It takes the X-Y coordinate as an
argument.
3 PntCHG( PntCHG(
x-coordinate, y-coordinate
)
Changes the status (i.e., visible/invisible) of a pixel at a
given coordinate. Deletes the point when it is displayed
and draws the point when it is not displayed.
4 PxlON( PxlON(
column, row
)
Draws a pixel point at a given screen location indicated
by column and row.
The column and row definitions are as follows:
Column: 0 to 132,
Row: 0 to 64.
(0, 0) (126, 0)
(0, 62) (126, 62)
column
132
This area cannot be specified
64
row
5 PxlOFF( PxlOFF(
column, row
)
Erases a pixel point at a given screen location indi-
cated by column and row.
6 PxlCHG( PxlCHG(
column, row
)
Changes the status (i.e., visible/invisible) of a pixel at a
given screen location indicated by column and row.