Clearing the unused variable – Texas Instruments Calculator User Manual
Page 27
Time-Value-of-Money and Amortization Worksheets
23
•
To generate an amortization schedule, press
& \, enter the
first and last payment number in the range (
P1
and
P2
), and press
"
or
# to compute values for each variable (
BAL
,
PRN
, and
INT
).
Resetting the TVM and Amortization Worksheet Variables
•
To reset all calculator variables and formats to default values
(including TVM and amortization variables), press
& } !:
•
To reset only the TVM variables (
N
,
I/Y
,
PV
,
PMT
,
FV
) to default values,
press
& ^.
•
To reset
P/Y
and
C/Y
to default values, press
& [ & z.
•
To reset the Amortization worksheet variables (
P1
,
P2
,
BAL
,
PRN
,
INT
) to default values, press
& z while in the Amortization
worksheet.
•
To reset
END/BGN
to the default value, press
& ] & z.
Clearing the Unused Variable
For problems using only four of the five TVM variables, enter a value of
zero for the unused variable.
For example, to determine the present value (
PV
) of a known future
value (
FV
) with a known interest rate (
I/Y
) and no payments, enter 0 and
press
PMT
.
Entering Positive and Negative Values for Outflows and
Inflows
Enter negative values for outflows (cash paid out) and positive values for
inflows (cash received).
Note: To enter a negative value, press
S after entering the number. To
change a negative value to positive, press
S.
Variable
Default
Variable
Default
N
0
END/BGN
END
I/Y
0
P1
1
PV
0
P2
1
PMT
0
BAL
0
FV
0
PRN
0
P/Y
1
INT
0
C/Y
1