Status: Demo app, complete.
Reverse Polish Notation calculator for Urbit. An App Workshop tutorial.
Supports numbers (as @rs single-precision floating-point values) and basic arithmetic operators +, -, *, /. . to display top of stack.
> 50
~ →
~[.50]
> 25
~[.50] →
~[.50 .25]
> -
~[.50 .25] →
~[.-25]
> 5
~[.-25] →
~[.-25 .5]
> /
~[.-25 .5] →
~[.-0.19999999]
> 5
~[.-0.19999999] →
~[.-0.19999999 .5]
> *
~[.-0.19999999 .5] →
~[.-0.99999994]
> 1
~[.-0.99999994] →
~[.-0.99999994 .1]
> /
~[.-0.99999994 .1] →
~[.-1]