- arithmetico-harmonic mean
- arithmetic operation
- arithmetic operator
- digitaddition generator
- digital
- digital addition
- digital analog
- digital arithmetic
- digital circuit
- digital communication network
- digital communication system
- digital computer
- digital control
- digital filter
- digital filtering
- digital filter method
- digital image characterization
- digital information
- digital logic function
- digital network architecture
- digital picture
- digital point processing
- digital problem
- digital process
- digital quantity