\input zb-basic
\input zb-matheduc
\iteman{ZMATH 2007d.00315}
\itemau{Brown, Elizabeth M.; Jones, Elizabeth}
\itemti{Understanding conic sections using alternate graph paper.}
\itemso{Math. Teach. (Reston) 99, No. 5, 322-327 (2005).}
\itemab
Summary: This article describes two alternative coordinate systems and their use in graphing conic sections. This alternative graph paper helps students explore the idea of eccentricity using the definitions of the conic sections.
\itemrv{~}
\itemcc{G73 G74}
\itemut{conic sections; coordinate systems; graph of a function; focus-directrix graph paper; focus-focus graph paper; visualization}
\itemli{http://my.nctm.org}
\end