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[ttw]

(07-07-2020 07:01 AM)franz.b Wrote:  despite the power, ergonomics are not the best in this series of calculators: the useless "HIST", "TOOL" and "SYMB" keys that could easily be menus, the 4 directional keys that occupy six places, the symbols for the inequalities that occupy a place that could be assigned to menus ...
I spend a lot of time browsing the menus and submenus looking for commands. the 48s / x series was significantly better from this point of view.

Much depends on one's usage. I find the SYMB and HIST key quite useful as I do lots of symbolic stuff (and the HIST key allows me to repeat earlier user programs without going to a menu); the TOOL is useful but could be shifted (I mostly use PURGE to remove temporaries and HELP for the few things it has.)

I do wish the STACK stuff (and LIST) was easier to get to though.