Texas Instruments TI-73VSC Guidebook - Page 205

Chapter 10: Drawing 199 2. Using the Text editor, enter "QUAD1". -t"b QbUb AbDb1 " b Done b E b Pen 2 8 Pen draws any shape you want, including irregular or unusual ones. You can execute Pen only from the Graph screen. You cannot execute Pen from the Home screen or the Program editor. To draw your own shape on the Graph screen: 1. From the Graph screen, select 2 8. The cursor appears in the middle of the Graph screen. The X- and Ycoordinates are shown at the bottom of the screen. 2. Place the cursor at the point where you want to begin drawing. Press b 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 b to turn off the pen. 5. Repeat steps 2, 3, and 4, as necessary. To cancel Pen, press :.