If you want to see what they look like without typing them into your calc, just copy/paste them into google.

Thanks for the nice Google tip! It even supports 3d graphing (try

`z=y^2-x^2`

). It does with with HTML5 canvas, not flash or alien technologies.

You could graph both of them, just seperate with comma:

https://www.google.c...1-(abs(x)-1)^2) Here is a similar graph, in polar form:

http://www.wolframal...) -2*sin(t) + 2Here is the best 2d graph I've ever seen. Creators of the Maple software used it to create their product icon:

http://www.wolframal...-pi/2 to 3*pi/2