I’ve been a big fan of Wolfram Alpha since the beginning. It is good geeky stuff. Here are some interesting tips to get you started with it – from How-To Geek:
10 Amazing Uses for Wolfram Alpha
You may have heard of Wolfram Alpha, which is a “computational knowledge engine.” That makes it sound a bit scary, but it’s a great tool once you can wrap your head around it.
Apple’s Siri uses Wolfram Alpha for 25% of its searches. You can leverage that magic and put Wolfram Alpha to work for you — the empty search box on its homepage holds endless possibilities.