CASIO FX-82 SUPER FRACTION SCIENTIFIC CALCULATOR FOLDING CASE NEW BATTERY WORKS | eBay
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
Casio Fx-82es Fx82es Plus Bk Display Scientific Calculations Calculator with 252 Functions - Walmart.com
CASIO fx-82ES PLUS Battery Replacement - iFixit Repair Guide
Casio FX-82ES Plus Scientific Function Calculator - AliExpress
CASIO FX-82ES PLUS SCIENTIFIC CALCULATOR 2nd EDITION – Samima
Casio FX-82ES Plus BK Scientific Calculator FX82 ES + Fx 82ES New Sealed in Box 4971850166986 | eBay
User manual Casio FX-82 Solar (English - 38 pages)