Soulver, which has billed itself in the past as a "plain English" calculator, has been around for the past few years as a complex calculator with a simple interface.
To use Soulver, type in a math question as you would write it out on paper. Soulver provides the answer as you're typing, ranging from simple math and currency conversions to complex problems. The awesome thing about Soulver is that you also can type in words and Soulver knows what you're talking about. Want
