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Re:The early history of HP calculators by zokier on Sunday September 10, 2017 @06:35PM (#15214659)
How's the menu interface in HP calcs, is it strictly better than non-menu ones, or is it more of a usability compromise to allow packing more features? In other words, are the non-menu ones better for the subset of features they have?
Re:The early history of HP calculators by dm319 on Monday September 11, 2017 @04:35AM (#15216961)
I'd say the way the menus are implemented in the HP42s is more useable than trying to cram things onto buttons. For example, on the HP12c you have to remember which registers the sum and mean of x and y are - usefully it tells you on the back. The HP42s is more explicit with its soft menus.