Casio fx-9750G Equation Calculations Manuel d'utilisateur

Equation CalculationsYour graphic calculator can solve the following three types of equa-tions:• Linear equations with two to six unknowns• Quadratic

1167-1 Before Beginning an Equation CalculationsBefore beginning an equation calculation you have to first enter the correct mode,and you must also cl

1177-2 Linear Equations with Two to Six UnknownsYou can use the procedures described here to solve linear equations with unknownsthat match the follow

118kkkkk Solving Linear Equations with Three Unknowns Example To solve the following linear equations for x, y, and z:4x + y –2z=–1x+6y+3z=1–5x +4y+

119• Internal calculations are performed using a 15-digit mantissa, but results are dis-played using a 10-digit mantissa and 2-digit exponent.• This u

1207-3 Quadratic and Cubic EquationsThis calculator can also solve quadratic and cubic equations that match the followingformats (when a GGGGG 0):• Qu

121• Each time you press w, the input value is registered in the highlighted cell. Eachpress of w inputs values in the following sequence:coefficient

122uuuuuTo solve a cubic equation that produces an imaginary numbersolution Example To solve the following cubic equation:x3 + x2 + x – 3 = 0bwbwbw-dw

1237-4 What to Do When an Error OccursuuuuuError during coefficient value inputPress the A key to clear the error and return to the value that was reg