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.