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Casio fx-9750G PLUS User Manual

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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.

k

k

k

k

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

+ 3

y

= 8

3

x

+ 5

y

= 14

1

(S-Rlt)w

Example 2 To recall the coefficients for the following linear equations with

three unknowns

4

x

+

y

– 2

z

= –1

x

+ 6

y

+ 3

z

= 1

–5

x

+ 4

y

+

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

P.101

P.104

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