Sharp EL9900C EL-9900C - Page 31
Common Math Function, keys for both keyboards
UPC - 074000016873
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Chapter 2: Operating the Graphing Calculator c Enters an arc cosine function at the cursor t Enters a tangent function at the cursor t Enters an arctangent function at the cursor l Enters a logarithm function at the cursor 0 Enters "10 to the xth power", then sets the cursor at the "x" I Enters a natural logarithm function at the cursor @ Enters "e-constant to the power of x", then sets the cursor at the "x" X Enters a variable "x", "θ", "T", or "n". The variable is automatically determined according to the calculator's coordinate setup: "x" for rectangular, "θ" for polar, "T" for parametric, "n" for sequential. Common Math Function keys for both keyboards: y Enters " 2 " at the cursor, to raise a number to the second power x Enters " -1 " at the cursor, to raise a number to the negative first power d Enters a mixed number. b Enters a fraction. a Enters an exponent. _ By itself enters a "root" figure; the cursor will be set at "a", the depth. 21