HP 48gII - Manual (Page 829)

Page J-2
The HYPERBOLIC sub-menu
The HYPERBOLIC sub-menu contains the hyperbolic functions and their
inverses. These functions are described in Chapter 3.
The INTEGER sub-menu
The INTEGER sub-menu provides functions for manipulating integer numbers
and some polynomials. These functions are presented in Chapter 5:
The MODULAR sub-menu
The MODULAR sub-menu provides functions for modular arithmetic with
numbers and polynomials. These functions are presented in Chapter 5: