HP 300s+ User Manual

58
Comments for Other Typed of Regression
For details about the calculation formula of the command
included in each regression type, refer to the indicated
calculation formulas.
For example:
Logarithm Regression (In X)
y = A + BInX
A =
B =
= A + Blnx
e Exponential Regression (e^ X)
y = Ae
Bx
A =
B =
ab Exponential Regression (A
⋅B^X)
y = AB
X
yB xln

•–

n
--------------------------------------
nxln()yxy

•ln

–

•
nxln()
2
xln

()
2
–

•
------------------------------------------------------------------
r
nxln()yxy

•ln

–

•
nxln()
2
xln

()
2
–

•



ny
2
y

()
2
–

•



-------------------------------------------------------------------------------------------------------------------=
x
ˆ
e
yA–
B
----------- -
=
y
ˆ
yln Bx

•–

n
--------------------------------------
exp
nxyx yln

•

–ln

•
nx
2
x

()
2
–

•
-------------------------------------------------------------
r
nxyx yln

•

–ln

•
nx
2
x

()
2
–

•



nyln()
2
yln

()
2
–

•



-------------------------------------------------------------------------------------------------------------------=
x
ˆ
yln Aln–
B
-----------------------=
y
ˆ
Ae
Bx
=

HP 300s+ Specifications

General

Type	Scientific
Cover	-
Form factor	Pocket
Control type	Buttons
Product color	Black
Housing material	Plastic
Digits	15 digits
Display type	LCD
Display tilting	No
Display size (HxV)	60.5 x 24.3 mm
Display number of lines	4 lines
Memory registers	9
Battery type	LR44
Power source	Battery
Number of batteries supported	1

Weight and Dimensions

Depth	15 mm
Width	79 mm
Height	153 mm
Weight	112 g