The number (the Cube Root of 2) which is to be constructed in the Cube Duplication problem. This number is not a Euclidean Number although it is an Algebraic of third degree.

**References**

Conway, J. H. and Guy, R. K. ``Three Greek Problems.'' In *The Book of Numbers.* New York: Springer-Verlag,
pp. 192-194, 1996.

© 1996-9

1999-05-24