Print commands – HP 40gs User Manual

Page 373

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Programming

21-25

REPLACE

Replaces portion of a matrix or vector stored in name with
an object starting at position start

. start for a matrix is a

list containing two numbers; for a vector, it is a single
number. Replace also works with lists and graphics.

REPLACE name;start;object:

SCALE

Multiplies the specified row_number of the specified
matrix by value.

SCALE name;value;rownumber:

SCALEADD

Multiplies the row of the matrix name by value, then adds
this result to the second specified row.

SCALEADD name;value;row1;row2:

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:

hp40g+.book Page 25 Friday, December 9, 2005 1:03 AM

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