HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 163

hp40g+.book Page 9 Friday, December 9, 2005 1:03 AM →C →F →CM →IN →L →LGAL →KG →LBS →KM →MILE →DEG →RAD Convert from Fahrenheit to Celcius. Example →C(212) returns 100 Convert from Celcius to Fahrenheit. Example →F(0) returns 32 Convert from inches to centimeters. Convert from centimeters to inches. Convert from US gallons to liters. Convert from liters to US gallons. Convert from pounds to kilograms. Convert from kilograms to pounds. Convert from miles to kilometers. Convert from kilometers to miles. Convert from radians to degrees. Convert from degrees to radians. Hyperbolic trigonometry The hyperbolic trigonometry functions can also take complex numbers as arguments. ACOSH Inverse hyperbolic cosine : cosh-1x. ACOSH(value) ASINH Inverse hyperbolic sine : sinh-1x. ASINH(value) ATANH Inverse hyperbolic tangent : tanh-1x. ATANH(value) Using mathematical functions 13-9