Encoding
An encoding is a way of representing a number or expression in terms of another (usually simpler) one. However, multipleexpressions can also be encoded as a single expression, as in, for example,
which encodes
and 
uniquely as a single number. | |  |
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 2 |
| 0 | 2 | 3 |
| 1 | 2 | 4 |
| 2 | 0 | 5 |
- D-Statistic
- D-Triangle
- Dual Basis
- Dual Bivector
- Dual Graph
- Duality Principle
- Duality Theorem
- Dual Map
- Dual Polyhedron
- Dual Scalar
- Dual Solid
- Dual Tensor
- Dual Voting
- Du Bois Raymond Constants
- Duffing Differential Equation
- Duhamel's Convolution Principle
- Dumbbell Curve
- Duodecillion
- Dupin's Cyclide
- Dupin's Indicatrix
- Dupin's Theorem
- Duplication Formula
- Duplication of the Cube
- Durand's Rule
- Durfee Polynomial