HP 12c financial calculator Manuale Utente
Appendix D: Formulas Used 191
File name: hp 12c_user's guide_English_HDPMBF12E44
Page: 191 of 209
Printered Date: 2005/7/29
Dimension: 14.8 cm x 21 cm
Interest Rate Conversions
C = number of compounding periods per year.
EFF = the effective annual interest rate as a decimal.
NOM = the nominal annual interest rate as a decimal.
Finite Compounding
1
1
−
⎟
⎠
⎞
⎜
⎝
⎛ +
=
C
C
NOM
EFF
Continuous Compounding
)
1
(
−
=
NOM
e
EFF
Statistics
Mean
n
x
x
∑
=
n
y
y
∑
=
Weighted Mean
∑
∑
=
w
wx
x
w
Linear Estimation
n = number of data pairs
Bx
A
y
+
=
ˆ
B
A
y
x
−
=
ˆ
where
(
)
n
x
x
n
y
x
xy
B
2
2
∑
∑
∑ ∑
∑
−
⋅
−
=
x
B
y
A
−
=