R-2
list A set of values separated by commas 
(periods if the Decimal Mark mode is 
set to Comma) and enclosed in 
braces. Lists are commonly used to 
enter statistical data and to evaluate 
a function with multiple values. 
Created and manipulated by the List 
editor and catalog.
matrix A two-dimensional array of values 
separated by commas (periods if the 
Decimal Mark mode is set to Comma) 
and enclosed in nested brackets. 
Created and manipulated by the 
Matrix catalog and editor. Vectors 
are also handled by the Matrix 
catalog and editor.
menu A choice of options given in the 
display. It can appear as a list or as 
a set of menu-key labels across the 
bottom of the display.
menu keys The top row of keys. Their operations 
depend on the current context. The 
labels along the bottom of the display 
show the current meanings.
note Text that you write in the Notepad or 
in the Note view for a specific aplet.
program A reusable set of instructions that you 
record using the Program editor.
sketch A drawing that you make in the 
Sketch view for a specific aplet.
variable The name of a number, list, matrix, 
note, or graphic that is stored in 
memory. Use   to store and use 
 to retrieve.
vector A one-dimensional array of values 
separated by commas (periods if the 
Decimal Mark mode is set to Comma) 
and enclosed in single brackets. 
Created and manipulated by the 
Matrix catalog and editor.
HP 39gs English.book  Page 2  Wednesday, December 7, 2005  11:24 PM