Wednesday, January 6th, 2010
It shares the same core Soulver interface as the Mac, where you type your problems as you would write them on paper and the answer is automatically calculated and shown parallel to your work.
Unlike the standard iPhone calculator, Soulver shows you all your previous answers. This means you don’t need to use a piece of paper to keep track of your calculations. You can also go back and change anything, and see how it affects your final result.