HP 50g Graphing Calculator - Manual (Page 852)

Page K-4
The sub-menus INTEGER, MODULAR, and POLYNOMIAL are presented in
detail in Appendix J.
The EXP&LN sub-menu
The EXP&LN menu contains the following functions:
This menu is also accessible through the keyboard by using „Ð. The
functions in this menu are presented in Chapter 5.
The MATR sub-menu
The MATR menu contains the following functions:
These functions are also available through the MATRICES menu in the keyboard
(„Ø). The functions are described in Chapters 10 and 11.
The REWRITE sub-menu
The REWRITE menu contains the following functions: