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

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:

Programming

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