Complex matrices in programs

[Han]

You can always reflash it by right-clicking on the calculator in the conn. kit and manually force a reflash. The firmware should presumably still be in the firmware folder unless you made modifications to it.

Another option is to press and hold [C][F][O] during the warmstart from using [On][Symb] to "format" your memory (doesn't affect firmware; just factory resets it). It's under #4.