In this video I show how to draw diagrams using the Tikz package.
To open a blank writeLaTeX document to try this right now, click here: https://www.writelatex.com/docs?templ...
To open a read only version of the file created in this video (you can then clone a copy) click here: https://www.writelatex.com/read/hthgm...
This is the 8th in a series of short videos showing some very basic LaTeX commands using writeLaTeX (https://www.writelatex.com).
If you would like to use a non cloud based LaTeX environment here's a video I put together showing the installation process on Mac OSX: http://goo.gl/pTHNRB and here's a handout [pdf] for windows: http://goo.gl/M9YbKk