Example: computing basic loan interest – Texas Instruments BA II PLUS User Manual
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Time-Value-of-Money and Amortization Worksheets
6.
Press
& \.
— or —
If
INT
is displayed, press
# to display
P1
again.
7.
To generate the amortization schedule, repeat steps 2 through 5 for
each range of payments.
Generating an Amortization Schedule Automatically
After entering the initial values for
P1
and
P2
, you can compute an
amortization schedule automatically.
1.
Press
& \.
— or —
If
INT
is displayed, press
# to display the current
P1
value.
2.
Press
%. Both
P1
and
P2
update automatically to represent the
next range of payments.
The calculator computes the next range of payments using the same
number of periods used with the previous range of payments. For
example, if the previous range was 1 through 12 (12 payments),
pressing
% updates the range to 13 through 24 (12 payments).
3.
Press
# to display
P2
.
•
If you press
% with
P1
displayed, a new value for
P2
will be
displayed automatically. (You can still enter a new value for
P2
.)
•
If you did not press
% with
P1
displayed, you can press
%
with
P2
displayed to enter values for both
P1
and
P2
in the next
range of payments.
4.
Press
# to display each of the automatically computed values for
BAL
,
PRN
, and
INT
in the next range of payments.
5.
Repeat steps 1 through 4 until the schedule is complete.
Example: Computing Basic Loan Interest
If you make a monthly payment of $425.84 on a 30-year mortgage for
$75,000, what is the interest rate on your mortgage?
To
Press
Display
Set payments per year to 12.
& [
12
!
P/Y=
12.00
Return to standard-calculator
mode.
& U
0.00
Enter number of payments
using the payment multiplier.
30
& Z ,
N=
360.00