Calca iOS - Mathematical text editor for engineers

interesting, but how much is this different from ipython notebooks?

Looks like an interesting halfway house between a text editor and a full-blown CAS like Mathematica (since I have a license, that's what I use as a scratchpad for this kind of thing). It also seems to overlap with Soulver, which is my go-to calculator on iOS.

Cleverly, Calca appears to go a bit further than even MMA by back-filling changed definitions, almost like functional reactive programming. This is neat and something I've wanted to see for a long time.

I'll be buying once I get home to my iPad, but I really want to see the Mac OS version!

This looks interesting, but I can't see myself using it on an ipad or phone. This is something I'd want to use on a desktop, with a keyboard, while multitasking with other programs.

Edit: I'll keep it in the back of my head, and I might try it later.

Looks reasonable.

However you'll have to prize my HP 50g calculator out of my cold dead hands before I'll mix mathematics and a touch screen.

I bet he's excited to see what he can do with CoreText and iOS7 for this.