HP 50g Graphing Calculator - Manual (Page 846)

Page J-1
Appendix J
The MATHS menu
The MATHS menu, accessible through the command MATHS (available in the
catalog N), contains the following sub-menus:
The CMPLX sub-menu
The CMPLX sub-menu contains functions pertinent to operations with complex
numbers:
These functions are described in Chapter 4.
The CONSTANTS sub-menu
The CONSTANTS sub-menu provides access to the calculator mathematical
constants. These are described in Chapter 3: