This has been discussed for years, and
always accompanied by race-to-the-bottom inane comments. Seems many would rather complain than find a solution that meets their needs.
For $10 you can purchase pCalc, a scientific calculator which is almost infinitely configurable, with loads of features including conversions, RPN or algebraic representation, decimal or scientific notation, hex/octal/binary modes, paper tape, configurable layout, and on and on. I've been using pCalc for around 20 years and have never looked back.
Give it a whirl and find happiness. There's even a free version.
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