CS135 Lecture : CS135 Fall 2013
23 Oct 2013
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Office hours: tuesdays in mc 2062/2063, thursdays in mc 4065, 1:15-2:15 pm. Drop by the tutorial center (mc 4065) during the scheduled hours for assistance, no appointments needed. i-clicker. Do this before every class: hold on/off until power button blinks, there is an i-clicker sticker on the wall, says da. Press d and then a: the vote status light should flash green. Imperative: frequent changes to data - java, c++ functional: computation of new values rather than changing old ones - lisp, ml, Haskell, erlang, f# - closely connected to math, easier to reason about/design programs. Usually no side effects - operations do not affect other ones. Stylistically, single line comments should use two semicolons; however, this is not required by the syntax. In math, functions generalize similar expressions: f(x) = x^2+4*x+2 g(x,y) = x+y. Application supplies arguments (the values) that correspond to the parameters.
