HP 39g+ Graphing manual Choose, Disptime, Disp 3A is 2+2

CHOOSE	Creates a choose box, which is a box containing a list of
	options from which the user chooses one. Each option is
	numbered, 1 through n. The result of the choose
	command is to store the number of the option chosen in a
	variable. The syntax is
	CHOOSE default_option_number; title; option1;
	option2; ...optionn:
	where default_option_number is the number of the option
	that will be highlighted by default whenever the choose
	box is displayed, title is the text displayed in the title bar
	of the choose box, and option1...optionn are the options
	listed in the choose box.
	Example
	3 X A:CHOOSE A;
	"COMIC STRIPS";
	"DILBERT";
	"CALVIN&HOBBES";
	"BLONDIE":
DISP	Displays textitem in a row of the display at the
	line_number. A text item consists of any number of
	expressions and quoted strings of text. The expressions
	are evaluated and turned into strings. Lines are numbered
	from the top of the screen, 1 being the top and 7 being
	the bottom.
	DISP line_number;textitem:
	Example
	DISP 3;"A is" 2+2
	Result: A is 4
	(displayed on line 3)
DISPTIME
	Displays the current date and time.
	DISPTIME
	To set the date and time, simply store the correct settings
	in the date and time variables. Use the following formats:
	M.DDYYYY for the date and H.MMSS for the time.

16-26 Programming