Hp 33s User Manual Page 237

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Mathematics Programs 15–15
Program Lines:
(In RPN mode)
Description
 
 º 
  
 º 
 .
 ! 
Calculates G'
×
determinant =
DH – EG.

 ! 
Stores D'.
  L
 ! 
Stores I'.
  %
 ! 
Stores E'.
  &
 ! 
Stores F'.
  '
 ! 
Stores H'.
 
 ! L
Sets index value to point to last element of matrix.
  $
Recalls value of determinant.
Checksum and length: 0FFB 222
  
This routine completes inverse by dividing by
determinant.
 !ª1
1
L2
2
Divides element.
   L
Decrements index value so it points closer to A.
 ! 
Loops for next value.
 !
Returns to the calling program or to
 !
.
Checksum and length: 1FCF 15
  
This routine multiplies a column matrix and a 3
×
3
matrix.
 
Sets index value to point, to last element in first row.
 % 
 
Sets index value to point to last element in second
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