FX-991ES Plus (the same of FX-115 Plus right?) http://www.casio-eur...al/fx991esplus/
FX-570ES Plus http://www.casio-eur...al/fx570esplus/
Which do you reccomend to me?
Thanks and sorry for my bad english, i'm italian
EDIT: maybe the difference is only the alimentation? see here http://edu.casio.com...spec/adves_ntd/ ... waiting your response
Edited by capac, 25 June 2012 - 06:37 PM.