3 pcs Casio FX-82MS Scientific Calculator for School cover/case 2-line display. 4971850137931 | eBay
Casio FX-82 MS - Schulrechner Refresh Model - DynaTech
Datei:Casio FX82MS FX991ES FX991EX (21356793863).jpg – Wikipedia
fx-82MS-BU | SCHOOL & LAB. | Calculators | CASIO
Casio - FX-82MS. I bought it in high school, used it in University and now on my 4th year as a Professional Accountant. Haven't changed the battery once. : r/BuyItForLife