Casio CFX-9850G PLUS, Руководство пользователя и техническое справочное руководство

Страница: 60 / 486

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.
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