HP 35s HP 35s scientific calculator - User Guide - Page 80
Hyperbolic Functions, Percentage Functions, Real-Number Functions, To Calculate, Press - calculator for sale
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Hyperbolic Functions With x in the display: To Calculate: Hyperbolic sine of x (SINH). Hyperbolic cosine of x (COSH). Hyperbolic tangent of x (TANH). Hyperbolic arc sine of x (ASINH). Hyperbolic arc cosine of x (ACOSH). Hyperbolic arc tangent of x (ATANH). Press: Percentage Functions The percentage functions are special (compared with and ) because they preserve the value of the base number (in the Y-register) when they return the result of the percentage calculation (in the X-register). You can then carry out subsequent calculations using both the base number and the result without reentering the base number. To Calculate: x% of y Percentage change from y to x. (y≠ 0) Example: Press: y x y x Find the sales tax at 6% and the total cost of a $15.76 item. Use FIX 2 display format so the costs are rounded appropriately. 4-6 Real-Number Functions