HP 32SII Owner's Manual page 244

Flags Used:
None.
Memory Required:
348 bytes: 212 for program, 136 for variables.
Program Instructions:
1. Key in the program routines; press
2. Press
3. Key in coefficient or vector value (A through L) at each prompt and press
.
4. Optional: press
5. Press
6. Optional: press
the inverted matrix.
7. Press
see the value of X . Press
to see the value of Z.
8. For a new case, go back to step 2.
Variables Used:
A through I
J through L
W
X through Z
i
Remarks:
For 2 × 2 solutions use zero for coefficients C, F, H, G and for L. Use 1 for
coefficient I.
Not all systems of equations have solutions.
15–18 Mathematics Programs
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24
A to input coefficients of matrix and column vector.
D to compute determinant of 3 × 3 system.
I to compute inverse of 3 × 3 matrix.
A and repeatedly press
M to multiply the inverted matrix by the column vector and to
to see the value of Y, then press
Coefficients of matrix.
Column vector values.
Scratch variable used to store the determinant.
Output vector values; also used for scratch.
Loop–control value (index variable); also used for
scratch.
Size : 17 .7 x 25.2 cm
when done.
to review the values of
again