[plt-planet-announce] Updated PLaneT package: williams/science.plt for 4.x

This announces the availability of an updated package from PLaneT:

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Name:            science.plt
Package version: 4.2
Owner:           williams


Package Description
A collection of modules that provide functions for numerical computing.
Release Notes
Updated to the new plot package.
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Go to 

http://planet.racket-lang.org/display.ss?package=science.plt&owner=williams

for more information.