C0

C0 or C00 has several uses including:


 * C0, the IATA code for Centralwings airline
 * C0 and C1 control codes
 * a CPU power state in the Advanced Configuration and Power Interface
 * an alternate name for crt0, a library used in the startup of a C program
 * in mathematics:
 * the differentiability class C0
 * a C0-semigroup, a strongly continuous one-parameter semigroup
 * c0, the Banach space of real sequences that converge to zero
 * a C0 field is an algebraically closed field
 * in physics, c0, the speed of light in vacuum
 * %C0, the URL-encoded version of the character "À"
 * C0, a note-octave in music
 * an ISO 216 paper format size
 * C00, the ICD-10 code for oral cancer
 * C° could refer to:
 * An abbreviation for Celsius degrees
 * In chemistry, the standard state for solute concentration