Wolfram | Alpha is a very powerful computational search engine. While Google does feature the ability to do some calculations, Wolfram | Alpha takes this a whole new level including the ability to solve and plot equations.
For example, take this mathematical equation:
which you must enter into Wolfram | Alpha in this format:
x^2+(y-(x^2)^(1/3))^2 = 1
There’s something lovely about maths.