Hi, Im a developer of iPhone apps. I was also working in electronics industry back then (development) for 8 years. Here is my app created for electronics buffs, iTronixPal: http://itunes.apple.com/my/app/itronixpal/id336547454?mt=8 (Open in iTunes) Now is version 2.0, and there are a lots of function/tools inside. I'll be continuously updating this app to include more functions in the future. Check it out. Thanks a lot for reading! ps, details u can see in my website: http://iemir.nusantech.com And here is a screenshot: