How to plot solutions of equations with Mathematica?

*To*: mathgroup at smc.vnet.net*Subject*: [mg61011] How to plot solutions of equations with Mathematica?*From*: Michelasso <michelasso at despammed.com>*Date*: Fri, 7 Oct 2005 03:37:58 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

It is a very stupid question, but browsing the help I couldn't find a quick solution to this problem: I want to plot on the plane the solutions of the equation in two variables x^2+y^2 == 1 with Mathematica. How should I do?