## Binary representation

- orthogonal encoding
- each base can be one of four (or 20)
- represent each base by four bits
- i.e. A = 1 0 0 0, C = 0 1 0 0, etc.
- handles uncertainty better
- e.g. A or C = 1 1 0 0
- still ignores properties of the bases

Maintained by Dr Michael J. Watts (mike.watts.net.nz).