Old silver and black typewriter keys. Think Enigma machine... On Sat, Jul 21, 2018 at 3:28 PM Chuck McCown <[email protected]> wrote:
> I must be nuts. > I am working on a calculator project that uses nixie tubes for a display. > > I want to use a telephone magneto to charge up a cap to run the thing. > Kinda a steam punk RPN HP type of calculator. > I am stuck on what to use for buttons. I am thinking elevator buttons. > > Large oak case. Just crank it for 10 seconds and then do your > calculation. > > I am also conflicted as to how many buttons. > Square and square root for sure. > Undecided about log, trig functions and whether or not to have scientific > notation. I think I will. > How many digits to display? Probably 5. Engineering mode only. 3 dot 2 > display. > Also considering multiple lines to show 4 levels of the stack but I doubt > I will actually do that. > > The question is: will I ever finish this thing? > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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