Sharp EL9900C EL-9900C - Page 82
expression, initial value, end value [, increment], value
UPC - 074000016873
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Chapter 5: Advanced Calculations - Advanced Keyboard 08 ∑( ∑(expression, initial value, end value [, increment]) Returns the cumulative sum of a given expression from an initial value to an end value in the specified increment value (if not specified, default increment is 1). 09 sec sec value Enters a secant function to be used in a trigonometric expression. 10 csc csc value Enters a cosecant (cosec) function to be used in a trigonometric expression. 11 cot cot value Enters a cotangent (cotan) function to be used in a trigonometric expression. 12 sec-1 sec-1 value Enters an inverse secant. 13 csc-1 csc-1 value Enters an inverse cosecant. 14 cot-1 cot-1 value Enters an inverse cotangent. 15 sinh sinh value Enters a hyperbolic sine. 16 cosh cosh value Enters a hyperbolic cosine. 17 tanh tanh value Enters a hyperbolic tangent. 72