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i am currently working in networking support (cisco stuff), but i know some python and common lisp. i am very interested in programming, compiler technology, languages (i speak 3 and currently learning 4th) and teaching (i worked as a trainer for cisco networking academy for 7 years).
i am mostly self-taught, learned english mostly from reading books/docs and listening to music/tv. i know little about many things and much about few, if any.
currently i am trying to change my job to programming because i want to gain experience in the field and ultimately get a chance to implement some of many ideas and help develop some which i would love to see advance (e.g. what sal khan is doing).
i see mathematics as a very important skill that i need to master since it is in big part connected to all of the domains i am passionate about. my current skills are pretty slacking but i do have good imagination and learn fast.
the most recent physics/math problem i have is directly connected to one particular job opportunity. i am developing a python application which does certain sound singnal analysis and will also include various software testing practices including some code analysis. this project will serve as a demonstration to my potential employer that i have mastered the skill enough to be hired. i am using khanacademy heavily for basic stuff, but most of the things are not covered there and many a time i have to rely on wikipedia solely.
if you are interested in any of the following areas i can teach you in exchange: learning a rare and unique foreign language, programming basics, networking, linux stuff. i am in a bit of a trouble with time-frame though since i am in CET zone and i don't really have flexible work hours.