Chirrido sanar Predecesor fx 82 Movimiento Boda Apariencia
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 ES PLUS BK Scientific Calculator Fx 82ES international shipping | eBay