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From: Murray Eisenberg on 29 Jun 2010 06:58
NASA has a free, downloadable program called MathTrax
(http://prime.jsc.nasa.gov/mathtrax/) that can plot the graph a
user-specified, parameterized real-valued function of one real variable,
or of an equation in two real variables. So far no big deal. But it
also let's you "hear" the graph: as a vertical line sweeps across the
display, the pitch rises as the graph rises and falls as the graph
falls. You can also use various settings to hear when the value is
positive vs. negative, or when the graph crosses the axes.

It would be an interesting exercise to reproduce that MathTrax behavior
in Mathematica.

--
Murray Eisenberg murray(a)math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower phone 413 549-1020 (H)
University of Massachusetts 413 545-2859 (W)
710 North Pleasant Street fax 413 545-1801
Amherst, MA 01003-9305

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