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4-H is a U.S.-based network of youth organizations whose mission is "engaging youth to reach their fullest potential while advancing the field of youth development". [1] Its name is a reference to the occurrence of the initial letter H four times in the organization's original motto head, heart, hands, and health, which was later incorporated into the fuller pledge officially adopted in 1927.
An early electromechanical programmable computer, the Z3, included floating-point arithmetic (replica on display at Deutsches Museum in Munich).. In computing, floating-point arithmetic (FP) is arithmetic that represents subsets of real numbers using an integer with a fixed precision, called the significand, scaled by an integer exponent of a fixed base.
Place Code Kraków: 12 Krosno: 13 Tarnów: 14 Tarnobrzeg: 15 Przemyśl: 16 Rzeszów: 17 Nowy Sącz: 18 Warsaw: 22 Ciechanów: 23 Płock: 24 Siedlce: 25 Ministry of National Defence
Support for Base16 encoding is ubiquitous in modern computing. It is the basis for the W3C standard for URL percent encoding, where a character is replaced with a percent sign "%" and its Base16-encoded form. Most modern programming languages directly include support for formatting and parsing Base16-encoded numbers.
24-hour digital clock in Miaoli HSR station.. A time of day is written in the 24-hour notation in the form hh:mm (for example 01:23) or hh:mm:ss (for example, 01:23:45), where hh (00 to 23) is the number of full hours that have passed since midnight, mm (00 to 59) is the number of full minutes that have passed since the last full hour, and ss (00 to 59) is the number of seconds since the last ...
The Planck constant, or Planck's constant, denoted by , [1] is a fundamental physical constant [1] of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.
World War I draft card. Lower left corner to be removed by men of African ancestry in order to keep the military segregated. Following the U.S. declaration of war against Germany on April 6, the Selective Service Act of 1917 (40 Stat. 76) was passed by the 65th United States Congress on May 18, 1917, creating the Selective Service System. [10]
In the United States, a Social Security number (SSN) is a nine-digit number issued to U.S. citizens, permanent residents, and temporary (working) residents under section 205(c)(2) of the Social Security Act, codified as .