Texas Instruments TI-84 PLUS SILV Guidebook - Page 137
Using Pen to Draw on a Graph, Placing Text on a Graph from the Home Screen or a Program, Split Screen
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Placing Text on a Graph from the Home Screen or a Program Text( places on the current graph the characters comprising value, which can include TI-84 Plus functions and instructions. The top-left corner of the first character is at pixel (row,column), where row is an integer between 0 and 57 and column is an integer between 0 and 94. Both row and column can be expressions. Text(row,column,value,value...) value can be text enclosed in quotation marks ( " ), or it can be an expression. The TI-84 Plus will evaluate an expression and display the result with up to 10 characters. Classic Split Screen On a Horiz split screen, the maximum value for row is 25. On a G-T split screen, the maximum value for row is 45, and the maximum value for column is 46. Using Pen to Draw on a Graph Using Pen to Draw on a Graph Pen draws directly on a graph only. You cannot execute Pen from the home screen or a program. You can capture the image you created using TI-Connect™ software and save it to your computer for homework or teaching material or store it as a picture file on your TI-84 Plus (see Storing Graph Pictures below). To draw on a displayed graph, follow these steps. 1. Select A:Pen from the DRAW menu. 2. Place the cursor on the point where you want to begin drawing. Press Í to turn on the pen. 3. Move the cursor. As you move the cursor, you draw on the graph, shading one pixel at a time. 4. Press Í to turn off the pen. Chapter 8: Draw Instructions 130