1-4 Getting started
• On the calculator keyboard, the top row of keys are 
called menu keys. Their meanings depend on the 
context—that’s why their tops are blank. The menu 
keys are sometimes called “soft keys”.
• The bottom line of the display shows the labels for the 
menu keys’ current meanings. 
Aplet control keys
The aplet control keys are:
Key Meaning 
Displays the Symbolic view for the 
current aplet. See “Symbolic view” 
on page 1-16. 
Displays the Plot view for the current 
aplet. See “Plot view” on page 1-16. 
Displays the Numeric view for the 
current aplet. See “Numeric view” on 
page 1-17.
Displays the HOME view. See 
“HOME” on page 1-1.
Displays the Aplet Library menu. See 
“Aplet library” on page 1-16.
Displays the VIEWS menu. See 
“Aplet views” on page 1-16.
HP 39gs English.book  Page 4  Wednesday, December 7, 2005  11:24 PM