If for some reason you want to pretend that your iPad is able to multitask and are willing to shell out five bucks while limiting yourself to a handful of functions, then the Desktop app is for you.
With this app you’ll be able to use these functions in a fake desktop-style setup:
Web Browser
Dictionary
Maps
Unit Converter
Language Translator
Calculator
Currency
Email Composer
Weather (US Only)
Device Stats
Desktop will set you back five bucks and is available through the iTunes store now. [iTunes]