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Previously, the Faroe Islands formed part of the Danish postcode system, introduced in 1967, which also included Greenland. [2] This used the number range 3800 to 3899, and the "DK" prefix for Denmark: [3] Føroya Ferdamannafelag DK-3800 Tórshavn FAROE ISLANDS. Later on, the "FR" prefix was used: [4] DGU Føroyadeild Debesartrøð FR 3800 ...
Genaille–Lucas rulers (also known as Genaille's rods) are an arithmetic tool invented by Henri Genaille, a French railway engineer, in 1891. The device is a variant of Napier's bones . By representing the carry graphically, the user can read off the results of simple multiplication problems directly, with no intermediate mental calculations .
The Internet Assigned Numbers Authority currently assigns the ccTLDs mostly following the alpha-2 codes, but with a few exceptions. [8] For example, the United Kingdom, whose alpha-2 code is GB, uses .uk instead of .gb as its ccTLD, as UK is currently exceptionally reserved in ISO 3166-1 on the request of the United Kingdom.
ISO 3166-1 alpha-3 – three-letter country codes which may allow a better visual association between the codes and the country names than the 3166-1 alpha-2 codes. ISO 3166-1 numeric – three-digit country codes which are identical to those developed and maintained by the United Nations Statistics Division, with the advantage of script ...
Counting rods (чнн) are small bars, typically 3–14 cm (1" to 6") long, that were used by mathematicians for calculation in ancient East Asia. They are placed either horizontally or vertically to represent any integer or rational number. The written forms based on them are called rod numerals.
Photo Illustration by Luis G. Rendon/The Daily Beast/GettySeveral years ago, Ryan Baumann, a digital humanities developer at Duke University, was leafing through an early 20th-century collection ...
The FIPS standard includes both the codes for independent countries (similar but often incompatible with the ISO 3166-1 alpha-2 standard) and the codes for top-level subdivision of the countries (similar to but usually incompatible with the ISO 3166-2 standard). The ISO 3166 codes are used by the United Nations and for Internet top-level ...
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