![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 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](https://i.redd.it/phuyskh67mx71.jpg)
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
![Amazon.com: Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions : Office Products Amazon.com: Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions : Office Products](https://m.media-amazon.com/images/I/41jGLVPdICL._AC_.jpg)
Amazon.com: Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions : Office Products
![Amazon.com: Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions : Office Products Amazon.com: Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions : Office Products](https://m.media-amazon.com/images/I/71jmBDt4EmL._AC_UF350,350_QL80_.jpg)
Amazon.com: Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions : Office Products
![Casio - fx-82 Super Fraction - - Scientific calculator - Casio fx82 Super Fraction - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - fx-82 Super Fraction - - Scientific calculator - Casio fx82 Super Fraction - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA](https://casio.ledudu.com/images/pockets/casio/machines/zoom/fx82superfraction.jpg)
Casio - fx-82 Super Fraction - - Scientific calculator - Casio fx82 Super Fraction - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
![CALCULADORA CASIO - ESCUELA Y UNIVERSIDAD FX-82LAX | TIENDASCASIO.TITEC.CO | COLOMBIA | – Tiendas Casio TITEC CALCULADORA CASIO - ESCUELA Y UNIVERSIDAD FX-82LAX | TIENDASCASIO.TITEC.CO | COLOMBIA | – Tiendas Casio TITEC](https://cdn.shopify.com/s/files/1/0529/4125/8945/products/fx-82-LA-X-BK_B_b3a9c93e-1d02-4a3a-ba55-4eb7bd71f6bc.jpg?v=1657296881&width=720)