Who, however briefly informed about Wolfram Alpha will know that the part is so much more and also can. According short: W | A is the complement to Google & Co. when it comes to search engines. From simple formulas on planetary orbits, there are answers to many questions ... spit only instead of sites, is here the question is trying to answer directly.
The good piece there is now available as an app, I'm thrilled!
Runs smoothly, previous tests have shown no significant lower functions.
Design is so-so, but because it is an auxiliary tool does not mind.