3 ms·I bought a ton of solar calculators for a buck each and stuffed them in my doom barrels.by ohiovr 5y agoI bought a ton of solar calculators for a buck each and stuffed them in my doom barrels.austinjp 5y agoWhy?sidpatil 5y agoMake sure they're really solar-powered. https://m.youtube.com/watch?v=uLTDuGhqE2w https://m.youtube.com/watch?v=uLTDuGhqE2wgregjor 5y agoI have a doom barrel full of math workbooks. Trade?