HP 33s - Manual (Page 238)

15–16 Mathematics Programs
Program Lines:
(In RPN mode)
Description
row.
%
Sets index value to point to last element in third row.
Checksum and length: DA21 54
This routine calculates product of column vector and
row pointed to by index value.
! L Saves index value in i.
Recalls J from column vector.
Recalls K from column vector.
Recalls L from column vector.
º1 1L2 2 Multiplies by last element in row.
% Multiplies by second element in row and adds.
% Multiplies by first element in row and adds.
Sets index value to display X, Y, or Z based on input
row.
!- L
¶ Gets result back.
!1 1L2 2 Stores result.
#$1 1L2 2 Displays result.
! Returns to the calling program or to !.
Checksum and length: DFF4 54
This routine multiples and adds values within a row.
º65¸ Gets next column value.
L Sets index value to point to next row value.
L
L
º1 1L2 2 Multiples column value by row value.
- Adds product to previous sum.
! Returns to the calling program.
Checksum and length: 7F00 24
This routine calculates the determinant.