HP 39g Print commands, Prompt commands

SUB	Extracts a sub-object—a portion of a list, matrix, or
	graphic from object—and stores it into name. start and
	end are each specified using a list with two numbers for
	a matrix, a number for vector or lists, or an ordered pair,
	(X,Y), for graphics.
	SUB name;object;start;end:
SWAPCOL	Swaps Columns. Exchanges column1 and column2 of the
	specified matrix.
	SWAPCOL name;column1;column2:
SWAPROW	Swap Rows. Exchanges row1 and row2 in the specified
	matrix.
	SWAPROW name;row1;row2:

Print commands

	These commands print to an HP infrared printer, for
	example the HP 82240B printer.
PRDISPLAY	Prints the contents of the display.
	PRDISPLAY:
PRHISTORY	Prints all objects in the history.
	PRHISTORY:
PRVAR	Prints name and contents of variablename.
	PRVAR variablename:
	You can also use the PRVAR command to print the
	contents of a program or a note.
	PRVAR programname;PROG:
	PRVAR notename;NOTE:

Prompt commands

BEEP Beeps at the frequency and for the time you specify.

BEEP frequency;seconds:

Programming 16-25