By exploiting an overflow bug—involving a specific sequence of "Data Full" errors in Standard Deviation mode—users can temporarily "unlock" features like complex numbers , base conversions , and equation solvers .

Emulator | Casio Fx-82ms

By exploiting an overflow bug—involving a specific sequence of "Data Full" errors in Standard Deviation mode—users can temporarily "unlock" features like complex numbers , base conversions , and equation solvers .