Appendix E

Formulas Used

Percentage

% =

Base(y) Rate(x)

 

100

 

 

 

 

 

 

 

 

 

 

 

 

NewAmount(x) Base(y)

% = 100

 

 

 

 

 

 

 

Base(y)

 

 

 

 

 

 

Amount(x)

 

%T = 100

 

 

 

 

 

 

 

 

 

 

 

 

 

Total(y)

 

Interest

n= number of compounding periods.

i = periodic interest rate, expressed as a decimal.

PV = present value.

FV = future value or balance.

PMT = periodic payment.

S= payment mode factor (0 or 1) indicating treatment of PMT. 0 corresponds to End, 1 to Begin.

I= interest amount. INTG (n) = integer portion of n. FRAC (n) = fractional portion of n.

Simple Interest
I360 = 360n PV i
I365 = 365n PV i

250

 

File name: hp 12c pt_user's guide_English_HDPMF123E27

Page: 250 of 275

Printed Date: 2005/8/1

Dimension: 14.8 cm x 21 cm