Texas Instruments TI-84 PLUS SILV Guidebook - Page 88
Zoom Cursor, B: ZFrac1/2, MEMORY
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ZOOM MEMORY B: ZFrac1/2 C: ZFrac1/3 D: ZFrac1/4 E: ZFrac1/5 F: ZFrac1/8 G: ZFrac1/10 Sets the window variables so that you can trace in increments of , if possible. Sets @X and @Y to . Sets the window variables so that you can trace in increments of , if possible. Sets @X and @Y to . Sets the window variables so that you can trace in increments of , if possible. Sets @X and @Y to . Sets the window variables so that you can trace in increments of , if possible. Sets @X and @Y to . Sets the window variables so that you can trace in increments of , if possible. Sets @X and @Y to . Sets the window variables so that you can trace in increments of , if possible. Sets @X and @Y to . Note: You can adjust all window variables from the VARS menu by pressing 1:Window and then selecting the variable from the X/Y, T/q, or U/V/W menu. Zoom Cursor When you select 1:ZBox, 2:Zoom In, or 3:Zoom Out, the cursor on the graph becomes the zoom cursor (+), a smaller version of the free-moving cursor (+). ZBox To define a new viewing window using ZBox, follow these steps. 1. Select 1:ZBox from the ZOOM menu. The zoom cursor is displayed at the center of the screen. 2. Move the zoom cursor to any spot you want to define as a corner of the box, and then press Í. When you move the cursor away from the first defined corner, a small, square dot indicates the spot. 3. Press |, }, ~, or †. As you move the cursor, the sides of the box lengthen or shorten proportionately on the screen. Note: To cancel ZBox before you press Í, press '. 4. When you have defined the box, press Í to replot the graph. Chapter 3: Function Graphing 81