Solution 12014: Meaning of ERR:OVERFLOW on the TI-83 Family, TI-84 Plus Family and TI-Nspire™ Handheld in TI-84 Plus Mode.
Why do I keep getting the ERR: OVERFLOW message on my TI-83 family, TI-84 Plus family or TI-Nspire handheld in TI-84 Plus mode?
The ERR: OVERFLOW message means that a calculation has been attempted that is beyond the range of the calculator, this error is not returned during graphing.
The TI-83 family, TI-84 Plus family and the TI-Nspire handheld in TI-84 Plus mode of graphing calculators allows for undefined values on a graph.
Please see the TI-83 family and TI-84 Plus family guidebooks for additional information.
Please Note: TI-Nspire users may refer to the TI-84 Plus family guidebook.