Casio CFX-9970G User Manual page 59

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Variable Data (VARS) Menu
• 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.
k k k k k EQUA — Recalling Equation Coefficients and Solutions
Selecting
solution recall menu.
• {S-Rlt}/{S-Cof} ... matrix of {solutions}/{coefficients} for linear equations with
P.101
• {P-Rlt}/{P-Cof} ... matrix of {solution}/{coefficients} for a quadratic or cubic
P.104
Example 1
Example 2
Example 3
Example 4
{
EQUA} from the VARS menu displays the equation coefficient and
two through six unknowns
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 z
4 + – 2 = –1
x y z
+ 6 + 3 = 1
x y z
–5 + 4 + = –7
2(S-Cof)w
To recall the solutions for the following quadratic equation
x x
2 2 + – 10 = 0
3(P-Rlt)w
To recall the coefficients for the following quadratic equation
x x
2 2 + – 10 = 0
4(P-Cof)w
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