Best Answer user202729 , 02 September 2017 - 02:46 PM
It depends on what you meant by "hacking".
+ If you means "getting more features" like Base-N or Matrix/Vector, if there is the "PLUS" in the name then it is impossible to do that. Only ES (not PLUS) series and older MS (i.e., not MS-PLUS with curly 3) series can be upgraded.
+ Else there are some interesting functions (see our thread about hacking ES PLUS series.
Information: "fx-82ES PLUS A" is a Chinese-only model with Chinese error message. Go to the full post