crwdns2934241:0crwdne2934241:0 Bennet

crwdns2934249:0crwdne2934249:0:

I had the same problem and managed to fix it by removing the battery and unscrewing and removing the back cover. That's it. I reckon that the issue happened because the "=" key connection was stuck, so uncovering the calculator might have "released" the connection. Hope this helps!

crwdns2915684:0crwdne2915684:0:

open