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• 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.
kk
kk
k EQUA — Recalling Equation Coefficients and Solutions
Selecting {EQUA} from the VARS menu displays the equation coefficient and
solution recall menu.
•{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
Example 1 To recall the solutions for the following linear equations with two
unknowns
2
x + 3y =8
3x + 5y =14
1(S-Rlt)w
Example 2 To recall the coefficients for the following linear equations with
three unknowns
4
x + y –2z=–1
x+6y+3z=1
–5x +4y+ z =–7
2(S-Cof)w
Example 3 To recall the solutions for the following quadratic equation
2
x
2
+ x – 10 = 0
3(P-Rlt)w
Example 4 To recall the coefficients for the following quadratic equation
2
x
2
+ x – 10 = 0
4(P-Cof)w
1 - 4 Variable Data (VARS) Menu
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