CASIO FX-82MS TRICK

TRICK TO DO complex(CMPLX), BASE, EQN(equation), MAT(matrix), VCT(vector) IN CASIO FX-82MS(CONVERTING IT TO FX-570MS)

first press the mode button
then press 2
then press 0
then press M+ and go on pressing until n=80 is reached.
then press M+ again and Data Full will be shown in screen.
then press AC button. then option will come like editOFF(1) and ESC(2). press 2
then press the upper key of the replay button. freq80 = 1 will be shown.
then go on pressing 13 like 13131313....  until no more digits are accepted.
then press = button. it will show Data Full on screen.
press = button once again. now option will come like editOFF(1) and ESC(2).
press 01(NOT 1 BUT 01). then press = button.
it will show Syntax ERROR on screen. if this is shown that means the trick worked.
now finally press AC button.
now you can see in mode button many new functions like complex(CMPLX), BASE, EQN(equation), MAT(matrix), VCT(vector) are added.
this trick will work until you press the on or off button of the calculator.

PLEASE DO SEE THE VIDEO FOR MORE DETAILS.
youtube link :  https://www.youtube.com/watch?v=pJ8PUG42ZUs&feature=youtu.be