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U+00F7 ÷ DIVISION SIGN. The multiplication sign ( × ), also known as the times sign or the dimension sign, is a mathematical symbol used to denote the operation of multiplication, which results in a product. [1] While similar to a lowercase X ( x ), the form is properly a four-fold rotationally symmetric saltire. [2]
An interpunct · , also known as an interpoint, [1] middle dot, middot, centered dot or centred dot, is a punctuation mark consisting of a vertically centered dot used for interword separation in Classical Latin. ( Word-separating spaces did not appear until some time between 600 and 800 CE .)
To reduce confusion between the multiplication sign × and the common variable x, multiplication is also denoted by dot signs, usually a middle-position dot (rarely period): . The middle dot notation or dot operator , encoded in Unicode as U+22C5 ⋅ DOT OPERATOR , is now standard in the United States and other countries where the period is ...
The distance (or perpendicular distance) from a point to a line is the shortest distance from a fixed point to any point on a fixed infinite line in Euclidean geometry. It is the length of the line segment which joins the point to the line and is perpendicular to the line. The formula for calculating it can be derived and expressed in several ways.
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1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +. ÷ (division sign)
The ellipsis ... ( / əˈlɪpsɪs / ), a.k.a. suspension points, suspension dots, suspension, points of ellipsis, periods of ellipsis, or colloquially dot-dot-dot, [1] [2] is a punctuation mark consisting of a series of three dots. An ellipsis can be used many ways including for intentional omission of text or to imply a concept without using ...
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