I'm in. Does it matter which edition we use? As for notation and sharing images, this is a great tool... provided you know LaTeX (which is worth learning anywa

I'm in. Does it matter which edition we use? As for notation and sharing images, this is a great tool... provided you know LaTeX (which is worth learning anyway): http://www.codecogs.com/latex/eqneditor.php http://www.codecogs.com/latex/eqneditor.php