Sharp EL9900C EL-9900C - Page 120
PntON, PntON, PntOFF, PntOFF, PntCHG, PntCHG, PxlON, PxlON, PxlOFF, PxlOFF, PxlCHG, PxlCHG
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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. column (0, 0) 132 (126, 0) row (0, 62) 64 (126, 62) This area cannot be specified 5 PxlOFF( PxlOFF(column, row) Erases a pixel point at a given screen location indicated 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. 110