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Mathematica Question

• To: mathgroup at yoda.physics.unc.edu
• Subject: Mathematica Question
• From: SCHNEIDR at KNOX.BITNET
• Date: Wed, 23 Jun 1993 15:26 CST

Mark Cooper asks if there is a way to plot an equation of the form
 x^2 + y^2 + z^2 + xy + xz + yz == 1.
KnoxPackages contains the commands PlotConicSection and PlotQuadricSurface
that between them will plot any quadratic equation in two or three variables.
KnoxPackages are available through MathSource (request 0204-512).
KnoxPackages contain many commands useful for teaching precalculus,
calculus, multivariable calculus, and linear algebra.

Dennis M. Schneider
Knox College
Galesburg,  IL  61401
Schneidr at Knox.Bitnet