crwdns2944620:0Casio fx-580VNXcrwdne2944620:0
crwdns2934139:0crwdne2934139:0
crwdns2931223:0crwdne2931223:0
crwdns2931223:0crwdne2931223:0
Why my calculator is not turn on?
Casio fx-580VNX crwdns2933313:01crwdne2933313:0