Python Math | Python for iPhone/iPad/iPod Touch - Keep away from the last update, as you can no longer bring in external scripts into the tool, which makes it completely useless. The author promises an editor in an update, but it remains to be seen whether it will be even remotely usable. Of course, this is just one of the nonsensical Apple policies he has implemented - but the way he installs an update and only mentions it in the last line of the update information is really bad. Because if you miss that, you have an currently unusable part on the Pad or Phone.