Casio fx-50F PLUS - Manual (Page 53)

E-52
Regression Coeffi cient b:
12(S-VAR) 1(VAR) ee2(b)E
Correlation Coeffi cient:
12(S-VAR) 1(VAR) ee3(r)E
3 Weight Prediction
The absolute value of the correlation coeffi cient for logarithmic regression is closer to 1, so
perform the weight prediction calculation using logarithmic regression.
Obtain ţ when x = 350:
350
12(S-VAR) 1(VAR) d2(n)E
Base- n Calculations (BASE)
To perform the example operations in this section, fi rst select BASE (
N3) as the
calculation mode.
k Performing Base- n Calculations
A Specifying the Default Number Base
Use the following keys to select a default number base.
w
DEC
M
x '
HEX
l i
OCT
e
e x 10
x
BIN
To select this number
base:
Press this key: Screen Indicator
Decimal
x(DEC)
d
Hexadecimal M(HEX) H
Binary
l(BIN)
b
Octal i(OCT) o
Number base indicator
b
2425756228
b
2425756228
r
0991493123
r
0991493123
350 y
1000056129
350 y
1000056129
1
1 b
1
1 b