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The minus–plus sign, ∓, is generally used in conjunction with the ± sign, in such expressions as x ± y ∓ z, which can be interpreted as meaning x + y − z or x − y + z (but not x + y + z or x − y − z). The ∓ always has the opposite sign to ±.
If an IEEE 754 single-precision number is converted to a decimal string with at least 9 significant digits, and then converted back to single-precision representation, the final result must match the original number. [6] The sign bit determines the sign of the number, which is the sign of the significand as well.
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A variant of the above theory claims that the sign comes from the mark of the mint at Potosí, where a large portion of the Spanish Empire's silver was mined. A feature on these coins were the letters "P T S I" superimposed. The core of this monogram is a (single-stroked) "$" sign. [17] Sample ledger with a sign for dollar from John Collins 1686
Indian rupee symbol in graphic form. The new sign is a combination of the Devanagari letter र ("ra") and the Latin capital letter R without its vertical bar. The parallel lines at the top (with white space between them) makes an allusion to the tricolour Indian flag and also depict an equality sign that symbolizes the nation's desire to reduce economic disparity.
The symbol # is known variously in English-speaking regions as the number sign, [1] hash, [2] or pound sign. [3] The symbol has historically been used for a wide range of purposes including the designation of an ordinal number and as a ligatured abbreviation for pounds avoirdupois – having been derived from the now-rare ℔ .
Signum function = . In mathematics, the sign function or signum function (from signum, Latin for "sign") is a function that has the value −1, +1 or 0 according to whether the sign of a given real number is positive or negative, or the given number is itself zero.
According to the United States Bureau of the Census, the fastest-growing household type since the 1980s has been the single person.Previously both socially uncommon and unaccepted due to perceived roles, public awareness, modern socioeconomic factors, and increasingly available popular and lengthier education and careers have made the single lifestyle a viable option for many Americans ...