HP 17bII - Canadian Mortgages; Equations Used in (Chapter 14

252 B: More About Calculations
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
ΣΣ
==
=Σ − =Σ −
=Σ − −
22
Let:
2 ( ) 2 ( )
( ) ( )
Then:
ii
ii
ii
XY
XY
nn
SX X X SX Y Y
SXY X X Y Y
=
2
SXY
M
SX
B = b for LIN and LOG models, and
B = e
b
for EXP and PWR models,
where
bYMX =−
CORR
2 2
SXY
SX SY
=
×
Equations Used in Chapter 14
Canadian Mortgages
−
−

−+
=− − +





=+ −




1
6
1 (1 )
(1 )
%
where: 1 1
200
N
N
r
PV PMT FV r
r
CI YR
r
N = total number of monthly payments
CI%YR = annual interest rate (as a percent)
PV = loan amount
PMT = monthly payment
FV = balloon payment