\input zb-basic
\input zb-matheduc
\iteman{ZMATH 2000b.01231}
\itemau{B\"ohm, Josef}
\itemti{Calculation meets representation.}
\itemso{Derive-News-Lett., No. 36, 14-20 (1999).}
\itemab
In this article the author shows how to find the axonometric and the perspective projection matrix, gives several examples and discusses by some figures how DERIVE for Windows 5 will handle 3D-objects-represent and animate them.
\itemrv{~}
\itemcc{G80}
\itemut{projections; computer algebra; pyramids; intersections; visualization; solid geometry}
\itemli{}
\end