The Function plotter
is a useful tool to be applied for many purposes.
You may enter arbitrary functional expressions,
look at the correspondig graphs, and zoom in and out.
The plotter provides brief orientation about
the form of graphs, as well as high accuracy determination
of the position of interesting points (like zeros
of a function or intersection points of graphs).
Clicking the red button calls a
web page in a separate browser window,
within which the applet is started.
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