C (disambiguation)

Look up C, c in Wiktionary, the free dictionary.

C is the third letter in the Latin alphabet

C may also refer to:

[edit] Computing

• C (programming language), invented at Bell Labs in 1972
• C++, an object oriented programming language based on C
• C# (programming language), invented at Microsoft in 2001
• C (digit), a hexadecimal digit
• C (magazine), a defunct Finnish computer magazine
• Control-C, a keyboard control code
• C, a Computable function, the set of all computable decision problems.

[edit] Technology

• C battery (size)
• C battery (type), grid bias battery for vacuum tube radios
• Battery charging rate. Signifies a charge or discharge rate equal to the capacity of a battery divided by 1 hour. For example C for a 1600 mAh battery would be 1600 mA (or 1.6 amps). 2C is twice this rate and 1/2C is half the rate.
• C-clamp, a type of fastener
• C band, radio frequency band from 4 GHz to 6 GHz

[edit] Science

• Vitamin C
• Haplogroup C (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
• Haplogroup C (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
• C1 to C7, cervical vertebrae
• C, chemical symbol for carbon
• C, a prefix for astronomical objects listed in the Caldwell catalogue
• c, the speed of light in a vacuum
• c, the speed of sound
• c, the specific heat of a substance
• Cytosine, nucleic acid
• C, Capacitance

[edit] Transportation

• C (New York City Subway service)
• C (S-train), Copenhagen
• NZR C class (1873) train
• NZR C class (1930) train
• C, or 0-6-0 classification, a type of locomotive with three powered axles

[edit] Symbols

• ©, copyright
• ¢, cent

[edit] Mathematics

• C, the Constant of integration
• Ⅽ, in Roman numerals, the symbol for 100
• ℂ or , the set of all complex numbers
• ℭ or , the cardinality of the continuum

[edit] Measurement

• c., or circa, an approximate date or other value
• °C, degrees Celsius
• C, for Carat (purity)
• c, Centi-, an SI prefix
• C, Coulomb, the SI derived unit for electric charge
• c, Cup (unit), a unit of volume

[edit] People

• C, alias for Mansfield Smith-Cumming (1859-1923), Chief of the SIS, the UK Secret Intelligence Service, also known as MI6
• His successors as Chief of the SIS have since been generally known by his alias, C.

[edit] Other uses

• C (musical note)
• C (plastic toy), a plastic toy from former Czechoslovakia
• C (grade), a satisfactory grade in education
• Citigroup, Inc. Stock Symbol for Citigroup.
• Centre position in Australian rules football

[edit] See also

• Class C
• C class

This disambiguation page lists articles associated with the same Latin letter. If an internal link led you here, you may wish to change the link to point directly to the intended article.