Calc Guide
Syntax Description
Maturity is the date on which the security is
sold. Investment is the purchase price.
Redemption is the selling price. Basis
indicates how the year is to be calculated.
IPMT(rate; period; NPER;
PV; FV; type)
Calculates the periodic amortization for an
investment with regular payments and a
constant interest rate. Rate is the periodic
interest rate. Period is the period for which
the compound interest is calculated. NPER is
the total number of periods during which
annuity is paid. Period=NPER, if compound
interest for the last period is calculated. PV is
the present cash value in sequence of
payments. FV (optional) is the desired value
(future value) at the end of the periods. Type
(optional) defines whether the payment is due
at the beginning (1) or the end (0) of a period.
IRR(values; guess) Calculates the internal rate of return for an
investment. The values represent cash flow
values at regular intervals; at least one value
must be negative (payments), and at least one
value must be positive (income). Values is an
array containing the values. Guess (optional)
is the estimated value. If you can provide only
a few values, you should provide an initial
guess to enable the iteration.
ISPMT(rate; period;
total_periods; invest)
Calculates the level of interest for unchanged
amortization installments. Rate sets the
periodic interest rate. Period is the number of
installments for calculation of interest.
Total_periods is the total number of
installment periods. Invest is the amount of
the investment.
MDURATION(settlement;
maturity; coupon; yield;
frequency; basis)
Calculates the modified Macauley duration of
a fixed interest security in years. Settlement
is the date of purchase of the security.
Maturity is the date on which the security
matures (expires). Coupon is the annual
nominal rate of interest (coupon interest rate)
Yield is the annual yield of the security.
Frequency is the number of interest
payments per year (1, 2 or 4). Basis indicates
how the year is to be calculated.
442 OpenOffice.org 3.x Calc Guide