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 can’t do bitcoin math on iphone calculator because it can’t display past 9 digits 
 Turn it 90 degrees…
https://image.nostr.build/395a9f65f4d0250bf36952ffb937ad6442b06dc14d13df4508598e255a9b1ec7.jpg 
 holy smokes 
 I always use phone calculators like that 
 curious what other elementary features I’m just completely oblivious to 
 Probably loads. I always kick myself when I find something basic like that. Good friend used to design phones for a carrier in uk. Said it was depressing as he had to learn all function and define and desire features with his team only to watch people use “probably less than 5% of what it can do”. I did have a look through some online vids of tips a few years ago and actually found a few that hadn’t known about. Not exactly riveting viewing but maybe worth having a look 
 You sound like mom. 😂 
 Maybe just time to find him a phone with big buttons 
 😂 
 😂