Casio fx-991ZA Plus, Руководство пользователя

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To select this type of statistical calculation:
(Regression formula shown in parentheses)
Press this key:
Single-variable (X) (1-VAR)
Paired-variable (X; Y), linear regression
(
y
= A + B
x
)
(A+BX)
Paired-variable (X; Y), quadratic regression
( y = A + B x + C x
2
)
(_+CX
2
)
Paired-variable (X; Y), logarithmic regression
( y = A + Bln x )
(ln X)
Paired-variable (X; Y),
e
exponential
regression
( y = A e
B x
)
( e
∧
X)
Paired-variable (X; Y), ab exponential
regression
( y = AB
x
)
(A•B
∧
X)
Paired-variable (X; Y), power regression
(
y
= A
x
B
)
(A•X
∧
B)
Paired-variable (X; Y), inverse regression
( y = A + B/ x )
(1/X)
Pressing any of the above keys ( to ) displays the Statistics Editor.
Note
• When you want to change the calculation type after entering the STAT Mode, perform
the key operation (STAT/DIST) (Type) to display the calculation type
selection screen.
Inputting Data
Use the Statistics Editor to input data. Perform the following key operation
to display the Statistics Editor:
(STAT/DIST) (Data).
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