HP 40gs Manual do Utilizador descarregar pdf (Página 218)

14-36 Computer Algebra System (CAS)

Reduction Result

then press ENTER. The following is then written to the

Equation Writer:

(x = −2) AND (y = −1)

(2·X+Y+Z=1)AND(X+Y+2·Z=1)AND(X+2·Y+Z=4)

Then, invoke LINSOLVE and type the unknowns:

X AND Y AND Z

and press the ENTER key.

The following result is produced if you are in Step-by-step

mode (CFG, etc.):

and so on until, finally:

Reduction Result

hp40g+.book Page 36 Friday, December 9, 2005 1:03 AM

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HP 40gs Manual do Utilizador Página 218