Texas Instruments Calculator User Manual
Page 101
Appendix — Reference Information
97
Error 5
No solution
exists
•
TVM worksheet: the calculator computed
I/Y
when
FV
, (
N
Q
PMT
), and
PV
all have the same sign.
(Make sure cash inflows are positive and outflows
are negative.)
•
TVM, Cash Flow, and Bond worksheets: the
LN
(logarithm) input is not > 0 during calculations.
•
Cash Flow worksheet: the calculator computed
IRR
without at least one sign change in the cash-flow
list.
Error 6
Invalid date
•
Bond and Date worksheets: a date is invalid (for
example, January 32) or in the wrong format (for
example, MM.DDYYYY instead of MM.DDYY.
•
Bond worksheet: the calculator attempted a
calculation with a redemption date earlier than or
the same as the settlement date.
Error 7
Iteration limit
exceeded
•
TVM worksheet: the calculator computed
I/Y
for a
very complex problem involving many iterations.
•
Cash Flow worksheet: the calculator computed
IRR
for a complex problem with multiple sign changes
or for the
BA II PLUS™
PROFESSIONAL calculator
PB
/
DPB
with no payback period based on input
cash flow values.
•
Bond worksheet: the calculator computed
YLD
for
a very complex problem.
Error 8
Canceled
iterative
calculation
•
TVM worksheet:
$ was pressed to stop the
evaluation of
I/Y
.
•
Amortization worksheet:
$ was pressed to
stop the evaluation of
BAL
or
INT
.
•
Cash Flow worksheet:
$ was pressed to stop
the evaluation of
IRR
.
•
Bond worksheet:
$ was pressed to stop the
evaluation of
YLD
.
•
Depreciation worksheet:
$ was pressed to stop
the evaluation of
DEP
or
RDV
.
Error Possible
Causes