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Sexagesimal, also known as base 60, [1] is a numeral system with sixty as its base.It originated with the ancient Sumerians in the 3rd millennium BC, was passed down to the ancient Babylonians, and is still used—in a modified form—for measuring time, angles, and geographic coordinates.
The Map Room is a room on the ground floor of the White House, the official home of the president of the United States. The Map Room takes its name from its use during World War II, when Franklin Roosevelt used it as a situation room where maps were consulted to track the war's progress (for such purposes, it was later replaced by the West Wing ...
ISO 6709, Standard representation of geographic point location by coordinates, is the international standard for representation of latitude, longitude and altitude for geographic point locations. The first edition ( ISO 6709:1983 ) was developed by ISO/IEC JTC 1 /SC 32.
The Natural Area Code, this is the smallest base such that all of 1 / 2 to 1 / 6 terminate, a number n is a regular number if and only if 1 / n terminates in base 30. 32: Duotrigesimal: Found in the Ngiti language. 33: Use of letters (except I, O, Q) with digits in vehicle registration plates of Hong Kong. 34
This level was added during the 1948–1952 renovation, [1] [2] [3] and contains the air conditioning and water softening equipment. [4] [5] [6] The sub-basement and mezzanine also contain storage areas, the heating system, elevator machinery rooms, an incinerator, a medical clinic, a dentist's office, [6] the electrical control system, [1] a laundry room, [6] [1] [7] and flatware and dishware ...
Aerial view of the White House complex, including Pennsylvania Avenue (closed to traffic) in the foreground, the Executive Residence and North Portico (center), the East Wing (left), and the West Wing and the Oval Office at its southeast corner. The White House is the official residence and workplace of the president of the United States.
The cabinet of Barack Obama meeting in November 2009 Plan of the first (ground) floor of the White House; the Cabinet Room is visible at center. Video about the Cabinet Room and the Cabinet The Declaration of Independence of the United States of America, July 4, 1776, circa 1873 by Charles Édouard Armand-Dumaresq, has been on display in the Cabinet Room since the late-1980s.
Babylonian clay tablet YBC 7289 with annotations. The diagonal displays an approximation of the square root of 2 in four sexagesimal figures, 1 24 51 10, which is good to about six decimal digits. 1 + 24/60 + 51/60 2 + 10/60 3 = 1.41421296... The tablet also gives an example where one side of the square is 30, and the resulting diagonal is 42 ...