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William Oughtred (5 March 1574 – 30 June 1660), [1] also Owtred, Uhtred, etc., was an English mathematician and Anglican clergyman. [2] [3] [4] After John Napier discovered logarithms and Edmund Gunter created the logarithmic scales (lines, or rules) upon which slide rules are based, Oughtred was the first to use two such scales sliding by one another to perform direct multiplication and ...
Feminine ordinal indicator, Degree sign: −: Minus sign: Hyphen-minus, Commercial minus: ×: Multiplication sign: X mark # Number sign: Numero sign. Also known as "octothorpe", "hash" and "hashtag sign" Pound sign № Numero sign: Number sign: Obelus: Division sign, Dagger, Commercial minus, Index ( ) Parenthesis: Bracket, Angle bracket ...
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Various slide rule simulator apps are available for Android and iOS-based smart phones and tablets. Specialized slide rules such as the E6-B used in aviation, and gunnery slide rules used in laying artillery are still used though no longer on a routine basis. These rules are used as part of the teaching and instruction process as in learning to ...
In January 2018, a "Similar-sounding words" feature was added to the English dictionary which highlights words that sound similar such as "aesthetic" and "ascetic", "pray" and "prey", "conscientious" and "conscious" etc. [20] "Google Word Coach" vocabulary game was made available along with dictionary searches and as a separate game on mobile ...
William Forster (fl. 1630–1673) was an English mathematician living in London, a pupil of the celebrated mathematician and astronomer clergyman William Oughtred (1574-1660). [1] He is best known for his book, a translation and edition of Oughtred's treatise entitled The Circles of Proportion .
We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT 'Connections’ hints and answers for #587 on ...
definition: is defined as metalanguage:= means "from now on, is defined to be another name for ." This is a statement in the metalanguage, not the object language. The notation may occasionally be seen in physics, meaning the same as :=.