Casio FX82 calculator I bought in 1982 at the age of 15. Used it throughout school, my apprenticeship and work as a draughtsman. Don't use it much now but it still works
3 pcs Casio FX-82MS Scientific Calculator for School cover/case 2-line display. 4971850137931 | eBay
Amazon.com: Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions : Office Products
Virtual Museum of Calculators
Casio FX-82ES Plus Blue 2nd Gen Non-Programmable Scientific Calculator | eBay
Is Casio fx-82MS allowed at SAT test center? Asking this cause college board's eligible calculator list doesn't mention the Casio fx-82 series. : r/Sat
User manual Casio FX-82 Solar (English - 38 pages)
File:CASIO fx-82ES PLUS A.jpg - Wikimedia Commons
fx-82ES PLUS-2 | CASIO INDIA
Casio Fx-82MS mobile redesign | Casio, Redesign, Graphing calculator