Hp 33s User Manual Page 235

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Mathematics Programs 15–13
Program Listing:
Program Lines:
(In RPN mode)
Description
  
Starting point for input of coefficients.
 )
Loop–control value: loops from 1 to 12, one at a
time.
 ! L
Stores control value in index variable.
Checksum and length: 35E7 21
  
Starts the input loop.
 "!1
1
L2
2
Prompts for and stores the variable addressed by i.
   L
Adds one to i.
 ! 
If i is less than 13, goes back to LBL L and gets the
next value.
 ! 
Returns to LBL A to review values.
Checksum and length: 51AB 15
  
This routine inverts a 3
×
3 matrix.
 % 
Calculates determinant and saves value for the
division loop,
J.
 ! $
  
 º 
  
 º 
 .
 ! %
Calculates E'
×
determinant =
AICG.
  
 º 
  
 º 
 .
 ! &
Calculates F'
×
determinant =
CD – AF.
  
 º 
  
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