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Explicitly state the number of significant figures (the abbreviation s.f. is sometimes used): For example "20 000 to 2 s.f." or "20 000 (2 sf)". State the expected variability (precision) explicitly with a plus–minus sign, as in 20 000 ± 1%. This also allows specifying a range of precision in-between powers of ten.
Fig sign. The fig sign is a mildly obscene gesture that uses a thumb wedged in between two fingers. The gesture is most commonly used to ward off the evil eye, insult someone, or deny a request. It has been used at least since the Roman Age in Southern Europe and parts of the Mediterranean region, including in Turkish culture.
A g-factor (also called g value) is a dimensionless quantity that characterizes the magnetic moment and angular momentum of an atom, a particle or the nucleus.It is the ratio of the magnetic moment (or, equivalently, the gyromagnetic ratio) of a particle to that expected of a classical particle of the same charge and angular momentum.
Time logo. Time 100: The Most Important People of the Century is a compilation of the 20th century's 100 most influential people, published in Time magazine across five issues in 1998 and 1999. The idea for such a list started on February 1, 1998, with a debate at a symposium in Hanoi, Vietnam. The panel participants were former CBS Evening ...
Jenn Wilson, a communications coordinator at Louisville High School in Ohio, came up with the idea. The video enlisted current kindergarteners (the class of 2036) as well as the class of 2024.
Guard digits are also used in floating point operations in most computer systems. Given we have to line up the binary points. This means we must add an extra digit to the first operand—a guard digit. This gives us . Performing this operation gives us or . Without using a guard digit we have , yielding or .
Uranium ( 92 U) is a naturally occurring radioactive element that has no stable isotope. It has two primordial isotopes, uranium-238 and uranium-235, that have long half-lives and are found in appreciable quantity in the Earth's crust. The decay product uranium-234 is also found. Other isotopes such as uranium-233 have been produced in breeder ...
Significant Figures: The Lives and Work of Great Mathematicians is a 2017 nonfiction book by British mathematician Ian Stewart FRS CMath FIMA, published by Basic Books. [1] In the work, Stewart discusses the lives and contributions of 25 figures who are prominent in the history of mathematics. [2] The 25 mathematicians selected are: Archimedes ...