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Re:Mathematica v12.1 by kccqzy on Thursday March 19, 2020 @04:44AM (#22625663)
You are just not used to it.

> the way the command line works: no feature to repeat previous comnand with up arrow, have to edit previous existing one, requiring more mouse usage, weird forms of cursor placement, weird default enter key behavior.

It's not a command line. It's an interactive notebook. It's an entirely different experience. Repeating and modifying last commands can still be done with arrow keys, then Shift-Enter. Also, when you are doing math, you spend way more time thinking than typing and manipulating; the time needed to move your hands to the mouse is minuscule by comparison.

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