HP 40gs - Hyperbolic Trigonometry

Using mathematical functions 13-9
→C Convert from Fahrenheit to Celcius.
Example
→C(212) returns 100
→F Convert from Celcius to Fahrenheit.
Example
→F(0) returns 32
→CM Convert from inches to centimeters.
→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)
hp40g+.book Page 9 Friday, December 9, 2005 12:27 AM