The Calculator app on your iPhone (and iPad) is capable of a host of numeric maneuvers. Beyond performing basic and complex calculations, it can handle complicated scientific equations and convert ...

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

You can do a lot with the basic iPhone calculator — add up how much you really spent on that shopping trip, calculate what you owe on your night out with friends, or figure out how many vacation days ...