PLAN:

first half -- use Python!
second half -- SAGE is the math library to make Python better for you.

* sage days 5 -- invitiation to people
* sage days 6 -- bristol in nov 
* open source means you can easily look at the source (not true for Magma; impossible if just a consultant)
* open source means you can easily look at the source (not true for Mathematica)
* notebook security -- inside version not secure, but hopefully soon; outside is.
* what can sage do for you?
* integrated graphs
* quality high level language
* very nice easy programming language: object oriented -- clean!

* python <--> perl :  more readable.

* list of functionality
    - big chunk of matlab (via scipy/numpy/cvxopt)

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Structure:
  10 minutes: Python
  10 minutes: SAGE
  20 minutes: discussion

Section 1: Python

  Python is a popular well-supported open source modern interpreted language:

    * Extremely easy for you to define your own class and methods on it.
       bitstreams, ciphers, rings, whatever
      (This works much better than in Magma or Mathematica.)

    * Very clean language that results in easy to *read* code.

    * Extremely easy to learn -- people who know how to program can typically   
      learn enough python to be productive in a day. 
          http://www.diveintopython.org/

    * An *huge* number of libraries: 
       statistics, networking, databases, bioinformatic, 
       physics, video games, 3d graphics, and serious mathematics (via SAGE)

    * Excellent builtin support for things like string manipulation and bit fiddling. 

    * Cython -- a Python compiler (http://www.cython.org). 
   
    * Neat software written using Python:
           - SCONS
           - Mercurial
           - SAGE

Section 2: SAGE

Section 3: Discussion