Quincunx
The pattern 
of dots on the ``5'' side of a 6-sided Die. The word derivesfrom the Latin words for both one and five.
References
Conway, J. H. and Guy, R. K. The Book of Numbers. New York: Springer-Verlag, pp. 9 and 22, 1996.
- Error-Correcting Code
- Error Curve
- Error Function
- Error Function Distribution
- Error Propagation
- Escher's Map
- Escribed Circle
- Essential Singularity
- Estimate
- Estimator
- Eta Function
- Et-Function
- Ethiopian Multiplication
- Etruscan Venus Surface
- Eubulides Paradox
- Euclidean Algorithm
- Euclidean Construction
- Euclidean Geometry
- Euclidean Group
- Euclidean Metric
- Euclidean Motion
- Euclidean Norm
- Euclidean Number
- Euclidean Plane
- Euclidean Space