Hi I'm the author. Yep Mac is done and just being submitted for review. I just couldn't resist announcing the iOS version.
Looks quite powerful already. With a few more standard probability/ and statistics-related functions I could see this becoming an excellent tool for finance and consulting work.
If you want to manually email me when it's done my address is in on my profile page.
This looks really cool!
We have a bunch of complicated maths in a java library. At the moment I've got a jruby wrapper around it and using the jruby repl, but it would be awesome if I could use this with it.