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Estado, a unit of length used for measuring depths (similar to the fathom); 7 pies; Pulgada (inch: 24.5 mm) used in Spain. Jeme, measure of length, from the tip of the thumb to the tip of the index finger of an extended hand. Legua (league), a unit of length. Toesas, unit of length equal to 66.72 inches (1.695 m) [8] Units of area
where C is the circumference of a circle, d is the diameter, and r is the radius.More generally, = where L and w are, respectively, the perimeter and the width of any curve of constant width.
In Guatemala, a cuerda is a traditional unit of distance, equal to exactly 25 varas [1] or almost 21 meters (nearly 69 feet).. During 19th-century Spain, a cuerda was a unit of length, of nearly 6.889 m (approx. 7.554 yd). [2]
The Bailey–Borwein–Plouffe formula (BBP) for calculating π was discovered in 1995 by Simon Plouffe. Using base 16 math, the formula can compute any particular digit of π —returning the hexadecimal value of the digit—without having to compute the intervening digits (digit extraction). [94]
The formula is a special case of the Euler–Boole summation formula for alternating series, providing yet another example of a convergence acceleration technique that can be applied to the Leibniz series. In 1992, Jonathan Borwein and Mark Limber used the first thousand Euler numbers to calculate π to 5,263 decimal places with the Leibniz ...
Inches of water is a non-SI unit for pressure.It is also given as inches of water gauge (iwg or in.w.g.), inches water column (inch wc, in. WC, " wc, etc. or just wc or WC), inAq, Aq, or inH 2 O.
Pies Descalzos (transl. Bare Feet, Spanish: [ˌpjez ð̞esˈkal.sos]) is the third studio album by Colombian singer-songwriter Shakira, released on 6 October 1995, by Sony Music Colombia. Its music incorporates Latin pop styles, additionally experimenting with pop rock elements.
Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. [12] [a] [13] [b] When his colleagues Eugen Bamberger and Friedrich Tschirner characterized the white, waxy substance that he had created, they recognized that it contained long −CH 2 − chains and termed it polymethylene.