• zeet@lemmy.world
    link
    fedilink
    English
    arrow-up
    3
    arrow-down
    1
    ·
    edit-2
    4 months ago

    Realcalc has an excellent RPN mode (enabled through Calculator Type in Settings). I’ve used it for the last six years or so (technically, in the premium version of the app).

    Edit: Not open source - sorry, didn’t see the community!