Casio CFX-9800G-w Owners Manual - Page 42
Itammonnvil
UPC - 079767128685
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• To recall equation coefficient and solution data ME Mial(EQU) Imp®® CIEER Press the function key below the data type you want to recall. Fl (S•RE) E(S•CF) Linear equation (2 to 6 unknowns) solution data. Linear equation (2 to 6 unknowns) coefficient data* Ea (P•RE) E(P•CF) Quadratic and cubic equation solution data Quadratic and cubic equation coefficient data* *These function menu items appear only in The Matrix Mode (page 118). • To recall linear equation solution data While the equation data menu is displayed, press E (S•RE) to display the linear equa tion result menu. ' IEt (S•RE) Itammonnvil IDEEEEE Press the function key below the data type you want to recall. fl (X) Solution x for linear equation with two to six unknowns* E00 • Solution y for linear equation with two to six unknowns* E(Z) Solution z for linear equation with three to six unknowns Eir) E(u) Solution t for linear equation with four to six unknowns Solution u for linear equation with five or six unknowns E(V) Solution v for linear equation with six unknowns *Memory data for linear equations with two to six unknowns cannot be recalled on the- same display. Example To add five to solution x for the following linear equations with two unknowns (page 143): 2x + 3y = 8 3x + 5y = 14 El(S•FIE) E(X) 'Sim X+5 I litilasnotiamaid -48- • To recall linear equation, coefficient data While the equation data menu is displayed, press.E(S•CF)E1 to display a matrix of coefficients. Note that the recalled coefficients are also stored in the Matrix Answer Memory (Mat Ans). *The above operation, produces pn error (Mem ERROR) if there is no linear equation coefficient data to recall. Example To recall the coefficients for the following linear equations with three unknowns (page 143): 4x + y - 2z = -1 x + 6y + 3z = 1 -5x + 4y + z..= _7. . . E(s•cF) ISIm Coef_ Ans! 2 3+ -2 3 3 -3 4 • To recall quadratic and cubic equation solution data While the pquation data menu is diZplayed, press E(P•RE) to display the quadratic/ cubic equation result menu. - E(P•RE) EEE Press the function key below the data type you want to recall. E(X,) Solution Xi for a quadratic or cubic equation E(X2) Solution X2 for a quadratic or cubic equation • E(X3) Solution Xs for a cubic equation Example To multiply solution Xi for the following quadratic equation by 5 (page 146): ' 2x2 +x-- 10=0 El(P•FIE) E(X-dEIDEl IPTY Xsx5 10 Imam -49-