0A (zero A) or 0-A may refer to:

• 0x0A, hexadecimal octet corresponding to the ASCII line feed control character
• 0-ary (or nullary or point-free), when a function or operation takes zero operands; see Arity
• 0-age main sequence, or ZAMS, a main sequence stage in astronomy's Hertzsprung–Russell diagram
• 0 allomorph, also null allomorph, a special kind of allomorph in morphology which has the form of a null morpheme
• 0 address arithmetic, zero address arithmetic, a computer architecture feature where assignment to a physical address space is deferred until programming statement execution time
• 0 air, or zero air, an air purifier result that contains less than 0.1 ppm total hydrocarbons

See also

• A0 (disambiguation)

Topics referred to by the same term

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