HP 40G manual Msgbox, Prompt, Wait seconds

MSGBOX	Displays a message box containing textitem. A text item
	consists of any number of expressions and quoted strings of
	text. The expressions are evaluated and turned into strings of
	text. For example,
	"AREA IS:" 2+2 becomes AREA IS: 4. Use >6+,)7@CHARS
	to type the quote marks " ".
	MSGBOX textitem:
	Example
	1 & A:
	MSGBOX "AREA IS: "π*A^2:
	You can also use the NoteText variable to provide text
	arguments. This can be used to insert line breaks. For
	example, press >6+,)7@NOTE and type AREA IS >(17(5@.
	The position line
	MSGBOX NoteText " " π*A^2:
	will display the same message box as the previous example.
PROMPT	Displays an input box with name as the title, and prompts for
	a value for name. name can only be one character in length.
	PROMPT name
WAIT	Halts program execution for the specified number of seconds.
	WAIT seconds

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