![Calculators, anyone? My trusty FX-115s. Actually had to change the battery recently, after about 20 years of use. : r/casio Calculators, anyone? My trusty FX-115s. Actually had to change the battery recently, after about 20 years of use. : r/casio](https://i.redd.it/eepq8nwthhe61.jpg)
Calculators, anyone? My trusty FX-115s. Actually had to change the battery recently, after about 20 years of use. : r/casio
![Casio - fx-115S - - Scientific calculator - Casio fx115S - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - fx-115S - - Scientific calculator - Casio fx115S - 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/calculs/casio/boites/FX115S.jpg)
Casio - fx-115S - - Scientific calculator - Casio fx115S - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
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Amazon.com : FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1 : Calculadora Cientifica Casio : Office Products
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