HP 50g HP 50g_user's manual_English_HDPSG49AEM8.pdf - Page 56
Operations with units, The UNITS menu
UPC - 882780502291
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Finally, in order to select, for example, the hyperbolic tangent (tanh) function, simply press @@TANH@. NOTE: To see additional options in these soft menus, press the L key or the „«keystroke sequence. For example, to calculate tanh(2.5), in the ALG mode, when using SOFT menus over CHOOSE boxes, follow this procedure: „´@@HYP@ @@TANH@ 2.5` In RPN mode, the same value is calculated using: 2.5`„´)@@HYP@ @@TANH@ As an exercise of applications of hyperbolic functions, verify the following values: SINH (2.5) = 6.05020.. COSH (2.5) = 6.13228.. TANH(2.5) = 0.98661.. EXPM(2.0) = 6.38905.... ASINH(2.0) = 1.4436... ACOSH (2.0) = 1.3169... ATANH(0.2) = 0.2027... LNP1(1.0) = 0.69314.... Operations with units Numbers in the calculator can have units associated with them. Thus, it is possible to calculate results involving a consistent system of units and produce a result with the appropriate combination of units. The UNITS menu The units menu is launched by the keystroke combination ,Û(associated with the 6 key). With system flag 117 set to CHOOSE boxes, the result is the following menu: Page 3-7