crwdns2944620:0Sharp EL-531Xcrwdne2944620:0
crwdns2934139:0crwdne2934139:0How can I fix it?
crwdns2934195:0crwdne2934195:0 Sharp EL-531X crwdns2933315:02crwdne2933315:0
Why does it froze so much?
Sharp EL-531X crwdns2933313:01crwdne2933313:0
How to fix trig functions on the calculator?
crwdns2934197:0crwdne2934197:0 Sharp EL-531X crwdns2933315:00crwdne2933315:0
Sharp EL-531X Why won't some of the buttons work?
crwdns2934197:0crwdne2934197:0 Sharp EL-531X crwdns2933315:00crwdne2933315:0