Calculating Interest Conversion; Finding Days Between Dates; Defining The Payment Method - Texas Instruments TI-86 Manual Book

Assembly Language Programming: Financial Functions
Dates must fall between the
years 1950 and 2049.
On the payment format
editor's line,
PMT:END BEGIN
select to set ordinary
END
annuity or select to
BEGIN
set annuity due.
Display the table setup editor,
and then enter these values:
@Tbl=12
TblStart=0
Indpnt: Auto
Display the table of outstanding
balances, where xt1 represents
time and yt1 represents balance
at that point in time.

Calculating Interest Conversion

Use the interest conversion functions
annual effective rate to a nominal rate (
effective rate ( ).
eff
effectiveRate compoundingPeriods
nom( ,
nominalRate compoundingPeriods
eff( ,

Finding Days Between Dates

Use the date function
dbd
using the actual-day-count method. dateA and dateB can be numbers or lists of
numbers within the range of the dates on the standard calendar.
dateA dateB
dbd( , ) Calculates the number of days between dates; enter dateA and
dateB in either of two formats: MM.DDYY (for U.S.) or DDMM.YY
(for Europe)

Defining the Payment Method

and specify a transaction as an ordinary annuity or an annuity due.
pEnd pBegin
Executing either instruction sets the payment method for subsequent financial
calculations. The current setting is displayed in the payment format editor
(page 4).
Specifies an annuity due, where payments occur at the beginning
pBegin
of each payment period (Most leases are in this category.)
pEnd Specifies an ordinary annuity, where payments occur at the end
of each payment period (Most loans are in this category;
Pmt_End
7 '
# # b
0 12
&
and
nom eff
), or from a nominal rate to an annual
nom
Computes the nominal interest rate
)
Computes the effective interest rate
)
to calculate the number of days between two dates
is the default.)
to convert interest rates from an
11