- algebraically closed
- algebroid
- algorithm
- algorithm translation
- algorithmic description
- algorithmic error
- algorithmic model
- alias name
- alidade
- align
- align middle
- align top
- aligner
- aligning mark
- aligning pole
- alignment
- alignment line
- alined
- aliquot part
- allocated variable
- allocater
- allowable coordinates
- allowable resources
- allowance
- allowed
- allowed band
- allowed state
- alloyed diode
- almacantar
- almost bounded
- almost equivalent
- almost everywhere
- almost period
- almost periodic
- almost prime
- almost ring
- alnico
- alpha
- alpha channel
- alpha chip
- alpha counter
- alpha system
- alpha test
- alpha-photographic
- alphabet
- alphabet length
- alphabet-name
- alphabetic character
- alphabetic code
- alphabetic coding
- alphabetic shift
- alphabetic string
- alphabetical notation
- alphabetical order
- alphabetical puncher
- alphabetically
- alphabetize
- alphameric
- alphanumeric
- alphanumeric character
- alphanumeric code
- alphanumeric data
- alphanumeric instruction
- alphanumeric keypad
- alphanumeric mode
- alphanumeric notation
- alphanumeric pager
- alphanumeric reader
- alphanumeric sort
- alphanumerical
- alphanumeries
- already installed
- Alt Key
- ALTA VISTA
- alteration switch
- alternate
- alternate area
- alternate bit
- alternate channel
- alternate cylinder
- alternate determinant
- alternate key
- alternate library
- alternate matrix
- alternate path
- alternate printer
- alternate recovery
- alternate route
- alternate routing
- alternate sector
- alternate series
- alternate track
- alternating
- alternating algebra
- alternating array
- alternating chain
- alternating expression
- alternating generator
- alternating graph
- alternating group