Error messages

15.1What happens on an error#

The display shows Error followed by a number. Press CE/C to clear it and return to what you were doing, or ON/OFF to go back to the plain calculator. While an error is showing, other keys are ignored.

Example 15.1

Divide by zero

1. 1 divided by 0.

   1÷0=

Example 15.2

Clear the error

1. Press CE/C to recover.

   1÷0=CE/C

15.2List of error codes#

Message	What it means	How to fix it
Error 1	A result is too large (1E100 or more), or a factorial is above 69.	Use smaller numbers.
Error 2	An invalid argument: dividing by zero, square root or ln of an invalid number, a factorial of a non-integer, P/Y or C/Y of zero, P1 larger than P2, no data for statistics, a break-even where price equals variable cost.	Check the numbers on the line and enter valid values.
Error 3	Too many pending operations or open brackets.	Press = to finish part of the calculation, or simplify the entry.
Error 5	No solution: for example IRR with all cash flows of the same sign, or an interest rate that cannot balance the TVM values.	Check the signs: money out is negative, money in is positive.
Error 6	An invalid date, or a year outside 1950 to 2049.	Type a real date as month.dayyear.
Error 9	More than 32 cash flows or more than 50 data points.	Delete entries or clear the worksheet.
Error 12	A date calculation that is not allowed with a 360-day year.	Switch the day count to ACT.

Example 15.3

Error 1 (overflow)

1. 7 0 factorial is too large.

   702NDx!)

Example 15.4

Error 6 (invalid date)

1. February 30 does not exist.

   2NDDATE52.3023ENTER

BA II Plus is a trademark of Texas Instruments Incorporated. Trident Calculator is an independent product by South View Studios and is not affiliated with, sponsored by or endorsed by Texas Instruments. The name is used only to describe the kind of calculator this model resembles; Trident's names, keys, display, fonts and software are its own clean-room design.