Statistics and probability commands.
Trigonometric functions, coordinate and angle
Menus of Operations
The following menus offer non-programmable operations.
For editing the command line. Described
Catalog of commands, including USAGE submenu.
Described in chapter 22.
Units available for conversion. Described in chapter
Menus of Variables
Stores values and solves for variables in the current
equation. Distinctive appearance (black letters against
white menu label) indicates its distinctive action.
Displays variables and subdirectories in current direc-
tory. The action of the keys depends on the entry
mode, described on page 169.