Casio FX-9750G PLUS User's Manual & Technical Reference page 60

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Variable Data (VARS) Menu
k k k k k EQUA — Recalling Equation Coefficients and Solutions
Selecting
solution recall menu.
P.101
P.104
Example 1
Example 2
Example 3
Example 4
32
• The table contents recalled by the above operation are stored automatically in
Matrix Answer Memory (MatAns).
• An error occurs if you perform the above operation when there is no function or
recursion formula numeric table in memory.
{
EQUA} from the VARS menu displays the equation coefficient and
• {S-Rlt}/{S-Cof} ... matrix of {solutions}/{coefficients} for linear equations with
two through six unknowns
• {P-Rlt}/{P-Cof} ... matrix of {solution}/{coefficients} for a quadratic or cubic
equation
To recall the solutions for the following linear equations with two
unknowns
x y
2 + 3 = 8
x y
3 + 5 = 14
1(S-Rlt)w
To recall the coefficients for the following linear equations with
three unknowns
x y
4 +
x y
+ 6
x y
–5 + 4
2(S-Cof)w
To recall the solutions for the following quadratic equation
x x
2 + – 10 = 0
2
3(P-Rlt)w
To recall the coefficients for the following quadratic equation
x x
2 + – 10 = 0
2
4(P-Cof)w
z
– 2 = –1
z
+ 3 = 1
z
+ = –7