HP 39gs - Hyperbolic Trigonometry

Using mathematical functions 13-9
→IN Convert from centimeters to inches.
→L Convert from US gallons to liters.
→LGAL Convert from liters to US gallons.
→KG Convert from pounds to kilograms.
→LBS Convert from kilograms to pounds.
→KM Convert from miles to kilometers.
→MILE Convert from kilometers to miles.
→DEG Convert from radians to degrees.
→RAD Convert from degrees to radians.
Hyperbolic trigonometry
The hyperbolic trigonometry functions can also take
complex numbers as arguments.
ACOSH Inverse hyperbolic cosine : cosh
–1
x.
ACOSH(value)
ASINH Inverse hyperbolic sine : sinh
–1
x.
ASINH(value)
ATANH Inverse hyperbolic tangent : tanh
–1
x.
ATANH(value)
COSH Hyperbolic cosine
COSH(value)
SINH Hyperbolic sine.
SINH(value)
TANH Hyperbolic tangent.
TANH(value)
ALOG Antilogarithm (exponential). This is more accurate than
10^x due to limitations of the power function.
ALOG(value)
HP 39gs English.book Page 9 Wednesday, December 7, 2005 11:24 PM