Sharp EL9900C EL-9900C - Page 65
B Factor, C Power, D Exp, Log X
UPC - 074000016873
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Chapter 4: Basic Graphing Features - Basic Keyboard B FACTOR Use this menu to set the vertical and horizontal zooming factor. The factor set under this menu directly affects the zoom rate of the 3 In and 4 Out sub-menu tools under the ZOOM menu, as described above. To set the zooming factor, do the following: 1. Within the B FACTOR menu, press E to activate the setup tool. 2. When the "Zoom factor" window appears, the cursor is automatically placed at "X_Fact=". The default zoom factor is 4; enter the required value here. 3. Pressing E after entering a value will switch the cursor position to "Y_Fact=". Enter the required zooming factor, and press E. 4. To go back to the ZOOM menu, press the Z key. C POWER 1 x2 Use this zooming tool when the equation contains a form of "x2". 2 x-1 Use this zooming tool when the equation contains a form of "x-1". 3 x Use this tool to zoom correctly when the equation contains a form of " x ". D EXP 1 10X Use this tool when the equation contains a form of "10x". 2 log X Use this tool when the equation contains a form of "log x". 55