Reverse Polish, or Postfix notation is commonly used in Computer Science, particularly in reference to Stacks - but what are stacks and how does postfix work? Professor David Brailsford takes us through it.
Upside Down (Huffman) Trees:
http://youtu.be/umTbivyJoiI
Quick Sort:
http://youtu.be/XE4VP_8Y0BU
Getting Sorted:
http://youtu.be/kgBjXUE_Nwc
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This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham: http://bit.ly/nottscomputer
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