crwdns2944620:0Sharp Calculatorcrwdne2944620:0
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crwdns2934197:0crwdne2934197:0 Sharp EL-531X crwdns2933315:00crwdne2933315:0
Minus button does not work
crwdns2934197:0crwdne2934197:0 Sharp EL-1197P calculator crwdns2933315:00crwdne2933315:0
Sharp EL-531X Why won't some of the buttons work?
crwdns2934197:0crwdne2934197:0 Sharp EL-531X crwdns2933315:00crwdne2933315:0