Sharp EL9900C EL-9900C - Page 80
Calculations Using MATH Menu
UPC - 074000016873
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Chapter 5: Advanced Calculations - Advanced Keyboard x Raises a preceding value to the power of -1. If no value is preceded, then the cursor will be placed at the base. _ Enters an ath root of a base. When a value precedes, then the value will be incorporated as the index number. Otherwise, both entry areas will be left blank. + Enters a square root; sets the cursor at the base entry area. $ Enters π (3.14...). ~ Sets the following value as θ, assuming the preceding value is the radius of the polar coordinates. # Enters i (representing -1 ), to make imaginary or combination numbers. 3. Calculations Using MATH Menu The Advanced keyboard has considerably more MATH menu items to choose from than that of the Basic keyboard: A CALC Contains sub-menu tools for advanced calculations. To access each sub-menu item, make sure that this A CALC menu item is selected. Pressing the ' cursor key will extend the cursor to the sub-menu items. Items can then be highlighted by scrolling with {, }, ; or ', and selected by pressing E, or simply use the short cut key stroke (i.e., select 01 by pressing 0 and 1). A sub-menu item with open parenthesis will need to be completed by the closing parenthesis; failure to do so will result in an error. 01 log2 log2 value Enters a base-2 logarithm (log2). 70