Texas Instruments TI-84 - Manual (Page 425)

Chapter 15: CATALOG, Strings, Hyperbolic Functions 422
Note: When you execute this program, enter a function to store to Y3 at the ENTRY=
prompt.
Hyperbolic Functions in the CATALOG Hyperbolic Functions in the CATALOG Hyperbolic Functions in the CATALOG Hyperbolic Functions in the CATALOG
Hyperbolic Functions Hyperbolic Functions Hyperbolic Functions Hyperbolic Functions
The hyperbolic functions are available only from the CATALOG. The table below lists the
hyperbolic functions in the order in which they appear among the other
CATALOG menu
items. The ellipses in the table indicate the presence of additional CATALOG items.
CATALOG
...
cosh( Hyperbolic cosine
cosh
-1
(
Hyperbolic arccosine
...
sinh( Hyperbolic sine