Texas Instruments Calculator Calculator User Manual


 
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