Had not thought of a circular array. Maybe I will use a rotary dial for the number entry.
Sent from my iPhone > On Jul 21, 2018, at 3:02 PM, Bill Prince <[email protected]> wrote: > > Kind of like this? > > <SteamPunkCalculator.jpg> > bp > <part15sbs{at}gmail{dot}com> > >> On 7/21/2018 1:50 PM, Chuck Macenski wrote: >> 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 >> >> > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
-- AF mailing list [email protected] http://af.afmug.com/mailman/listinfo/af_af.afmug.com
