** OSA-II with four SS-N-2 Styx missiles-6

** Shershen class torpedo boat with four 533mm heavyweight torpedo tubes 4 or 5

** quartic equation has degree four,

** EDIF Questions and answers, volume four, November 1989

**. hack ( video game series ), a four game series for the PlayStation 2

** Translation of Saint Thomas, one of four days in the year on which Quarter Sessions sat.

** 4 quad characters ; groups of four characters displayed in a row

** RPG-16: Reloadable RPG launcher, PG-16 with ~ 300 mm RHA penetration, higher accuracy and four times the range of the RPG-7

** Corner blocks or plate blocks – compose a block of stamps from one of the four corners of the stamp sheet.

** The terrestrial region, according to Aristotle, consisted of concentric spheres of the four elements — earth, water, air, and fire.

** The Portland Trail Blazers defeat the Philadelphia 76ers 109 – 107 to win the National Basketball Association finals four games to two.

** Anita Bryant is famously pied by four gay rights activists during a press conference in Des Moines, Iowa.

** Harold Wilson becomes British Prime Minister after leading the Labour Party to a narrow election win over the Tory government of Sir Alec Douglas-Home, which had been in power for 13 years and had four different leaders during that time.

** Joe DiMaggio's 56-game hitting streak begins as the New York Yankee center fielder goes one for four against Chicago White Sox Pitcher Eddie Smith.

** President of the United States Franklin D. Roosevelt's " Infamy " Address to a Joint Session of Congress at 12: 30 p. m. EST ( 17. 30 GMT ) and transmitted live over all four major national networks attracts the largest audience ever for an American radio broadcast, over 81 % of homes.

** A U. S. B-52 Stratofortress crashes in Greenland, discharging four nuclear bombs.

** CBS Radio cuts four soap operas: Backstage Wife, Our Gal Sunday, The Road of Life, and This is Nora Drake.

** The U. S. Navy's Commander Leroy Heath ( the pilot ) and Lieutenant Larry Monroe ( the bombardier / navigator ) establish a world flight-altitude record of 91, 450 feet ( 27, 874 m ), with payload, in an A-5 Vigilante twinjet bomber carrying a 1, 000 kilogram payload, and they better the previous world record by over four miles ( 6 km ).

** Shanda Sharer is tortured and burned to death in Madison, Indiana by four teenage girls.

** Luttif Afif and four other Palestinian terrorists

** Germany formally regains complete independence after the four post-World War II occupying powers ( France, the United Kingdom, the United States and the Soviet Union ) relinquish all remaining rights.

** In Northern Ireland, the four main political parties begins talks on restoring self-government.

** At the Diet of Porvoo, Finland's four Estates pledge allegiance to Alexander I of Russia, commencing the secession of the future Grand Principality of Finland from Sweden.

** MGM's The Wizard of Oz receives its last of four December telecasts on CBS.

** Iraqi warplanes dropped mustard gas bombs on the Iranian town of Sardasht in two separate bombing rounds, on four residential areas.

** amputation of digits

** amputation of digits

** Note: The sum of the individual digits is usually compared with a previously computed value.

In Devonian | Late Devonian vertebrate speciation, descendants of Pelagic zone | pelagic Sarcopterygii | lobe-finned fish – like Eusthenopteron – exhibited a sequence of adaptations: * Panderichthys, suited to muddy shallows ; * Tiktaalik with limb-like fins that could take it up onto land ; * Tetrapod | Early tetrapods in weed-filled swamps, such as: ** Acanthostega which had feet with eight digits, ** Ichthyostega with limbs.

** In an FSK ( frequency-shift keying ) transmitter, which transmits digital data, the frequency of the carrier is shifted between two frequencies which represent the two binary digits, 0 and 1.

** 16 data words ( used for mantissa digits in the original calculator design )

** 4 status words ( used for exponent digits and signs in the original calculator design )

** Alpha indicated 5 characters of text coded by pairs of digits.

** a ) lateral ( radial ) three and a half digits on the palmar side

In Devonian | Late Devonian vertebrate speciation, descendants of Pelagic zone | pelagic lobe-finned fish — like Eusthenopteron — exhibited a sequence of adaptations: * Panderichthys, suited to muddy shallows ; * Tiktaalik with limb-like fins that could take it onto land ; * Early tetrapod s in weed-filled swamps, such as: ** Acanthostega, which had feet with eight digits, ** Ichthyostega with limbs.

** De Lite (" by lawsuit "): If a player captures enough pieces to add up to or exceed a certain value that is set by both players, and the number of digits in his captured pieces ' values are less than a number set by both players, he wins the game.

** De Honore Liteque (" by honour and lawsuit "): If a player captures enough pieces to add up to or exceed a certain value that is set by both players, the number of digits in his captured pieces ' values are less than a number set by both players, and the number of pieces he captured are less than a certain number set by both players, he wins the game.

** 2 digits ( département ) and 3 digits ( commune ) for the 96 départements of Metropolitan France.

** 3 digits ( département or collectivity ) and 2 digits ( commune ) for the Overseas departments, Overseas Territorial Collectivities and Overseas Countries and Territories.

** yy are the last two digits of the year of birth,

** Words ( not digits ) expressing the name or assigned value of the item, e. g., " Quarter Dollar ", " One Dime ", " Five Cents "

** a fast busy signal ( also called reorder tone or overflow busy tone ) signifying that there is congestion in the telephone network, or possibly that the calling subscriber has delayed too long in dialling all the necessary digits.

** the Year 10, 000 problem is the collective name for all potential software bugs that will emerge as the need to express years with five digits arises.

** yy are the last two digits of the year of birth,

** ll is the number of the départment of origin: 2 digits, or 1 digit and 1 letter in metropolitan France, 3 digits for overseas.