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A comment on 2-in-1 calculator app adds up to surprise hit for retired engineer. Parent comment

Re:2-in-1 calculator app adds up to surprise hit for retired... by deepspace on Tuesday September 20, 2022 @12:12PM (#32913797)
To be honest, I mostly use a physical calculator (Swissmicros DM41L, which is an HP41CX clone). Second choice is the i41CX+ app on my phone. The HP41 keyboard and operational patterns were etched into my brain at university, since my first engineering calculator was an HP41C.

I have used rpncalc and T_REX (https://isene.org/2021/02/T-REX.html) in the terminal, dc or gforth in a pinch.

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