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Sea, beer and a calculator.
(feddit.uk)
A random shot of my calculator 5000 miles from home while I enjoy a beer near the Pacific. We had been discussing how much water was on earth and what size of a ball it would make. I have no affiliation with the brewing company so apologies for the product placement.
Not really, it's harder to get used to algebraic calculators again after being used to RPN than it is to get used to RPN