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Mathematics Programs
15–13
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
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.
Stores control value in index variable.
Checksum and length: 35E7 21
Starts the input loop.
Prompts for and stores the variable addressed by i.
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.
Calculates E'
×
determinant = AI – CG.
Calculates F'
×
determinant = CD – AF.