Wolfram Alpha is a treasure

Ive used this app many times for calculations mundane (covert Imperial to metric) to somewhat unusual (relativistic time dilation), and it has worked very well for me. If you have a need for anything Wolfram Alpha offers on your iPad and / or phone, get this app.

A few advantages over just using the website: advanced copy-paste functions, improved formatting, history.

WolframAlpha is more than just a mathematics tool. It also pulls from vast databases with, for example, population data, info about various corporations allowing interesting comparisons and much more. Try comparing Microsoft to Google, for instance by typing the two names as input.

ex2bot about WolframAlpha Classic, v1.7.2