The cursor (highlight) is in the first field, Angle Measure.

2.Press to display a list of choices.

3.Press to select Degrees, and press

. The angle measure changes to degrees.

4.Press to return to HOME.

H I N T Whenever an input form has a list of choices for a field, you can press to cycle through them instead of using

.

Aplets (E-lessons)

Aplets are the application environments where you explore different classes of mathematical operations. You select the aplet that you want to work with.

Aplets come from a variety of sources:

Built-in the HP 39gs (initial purchase).

Aplets created by saving existing aplets, which have been modified, with specific configurations. See “Creating new aplets based on existing aplets” on page 19-1.

Downloaded from HP’s Calculators web site.

Copied from another calculator.

Aplets are stored in the Aplet library. See “Aplet library” on page 1-16for further information.

You can modify

configuration settings for the graphical, tabular, and

1-12

Getting started