Casio - fx-82TL V2 - - Scientific calculator - Casio fx82TL V2 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
CASIO fx-82 SUPER. I bought it in 1.992, use it in college, at the university and 20 years more at the office. Never changed battery and im not going to retire it
User manual Casio FX-82 Solar (English - 38 pages)