The Function Aplet - HP 39gs Quick Start Manual

The following sections describe each Aplet briefly, summarizing the Aplet's major views and the functionality available in each view.

The Function Aplet

Although the Function Aplet has been treated in detail in the previous sections, its functionality is summarized here for purposes of consistency and com-
pleteness. The Function Aplet lets you define up to ten functions in x, view their graphs, create tables of values, and find intersections, roots, and extrema.
The Function Aplet is the default Aplet when the HP 39gs is shipped from the factory. Table 1- 1 summarizes the capabilities of this Aplet. Press APLET, scroll
down to select the Function Aplet, and press the START menu key to get started.
Table 1- 1 Function Aplet Summary
Press SYMB to return to this view at any time. This view allows you to enter and manage up
to ten function definitions in x. The menu commands are:
• EDIT: edit current function
• : toggles a function off or on for graphing and table-building
• X: a typing aid
• SHOW: displays the selected function in textbook format
• EVAL: if the selected function is defined in terms of other function(s), EVAL resolves the
reference(s)
Summary of Functionality View Name and Display
Function Symbolic View
Getting Started 15