How to write out algorithms? 
Does anyone know of a basic beginners tutorial on how to read mark up like this notation when talking about algorithms or what this type of markup is officially referred to as so I know what to google for? 

http://upload.wikimedia.org/math/6/f/3/6f360d532d8c7d6fee92da6f11a96f8a.png


How to write out algorithms? 
===

Does anyone know of a basic beginners tutorial on how to read mark up like this notation when talking about algorithms or what this type of markup is officially referred to as so I know what to google for? 

http://upload.wikimedia.org/math/6/f/3/6f360d532d8c7d6fee92da6f11a96f8a.png

