crwdns2934241:0crwdne2934241:0 TheLastMillennial

crwdns2934249:0crwdne2934249:0:

You can try copper tape. It looks to me like there's corrosion on the trace connected to the left battery. I'd highly suggest cleaning that up with isopropyl alcohol so you don't have more problems in the future.

Just curious, what calculator is this exactly?

crwdns2915684:0crwdne2915684:0:

open