I had a math class with a Polish calculator about eight years ago. So much stuff are in those things. I knew I had flunked all the percentages and amortization things, but I passed with an 84. LOL! Polish calculators are much easier for me to use.
Yes, Polish scientists are renown among their peers for their exquisite calculators. If I recall correctly, their most crowning achievement was a programming concept called reverse polish. Or was that famous as a bowling strategy? Or golf? Billiards, maybe? SOL!