Yep.
Unregistered users can post here, but for some reason, they don't.
"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram
Nothing wrong with guests, but most people tend to sign up anyway for some reason
"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram