Casio FX-270W PLUS

Data Input Precautions
° inputs the same data twice.
e You can also input multiple entries of the same data us-
ing @ (2). To input the data 110 ten times, for example,
press 110 &j 2) 10 G7.
¢ The above results can be obtained in any order, and not
necessarily that shown above.
° To delete data you have just input, press 9 (0).
Mi Regression Caiculations (REG Mode)
* Press (2) (fx-85W) to enter the REG mode and
then select one of the following regression types. For
other models, press #9 (3).
(1): Linear regression
(2): Logarithmic regression
(3): Exponential regression
(® GD: Power regression
(®) (2): inverse regression
(©) G3): Quadratic regression
¢ Data input always starts with 9 Sel) E3 to clear statisti-
cal memory.
e The values produced by a regression calculation depend
on the values input, and results can be recalled using
the key operations shown in the table beiow.
Regression coefficient A
Regression coefficient B
Regression coefficient C
Correlation coefficient r
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