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In mathematical formulas, the ± symbol may be used to indicate a symbol that may be replaced by either of the plus and minus signs, + or −, allowing the formula to represent two values or two equations. [2] If x 2 = 9, one may give the solution as x = ±3. This indicates that the equation has two solutions: x = +3 and x = −3.
The most common superscript digits (1, 2, and 3) were included in ISO-8859-1 and were therefore carried over into those code points in the Latin-1 range of Unicode. The remainder were placed along with basic arithmetical symbols, and later some Latin subscripts, in a dedicated block at U+2070 to U+209F.
In typography, some other variants and combinations are available: "⁇," "⁈," and "⁉," are usually used for chess annotation symbols; the interrobang, "‽," is used to combine the functions of the question mark [34] and the exclamation mark, superposing these two marks. Unicode makes available these variants: U+2047 ⁇ DOUBLE QUESTION MARK
The horn (Vietnamese: dấu móc or dấu râu) is a diacritic mark attached to the top right corner of the letters o and u in the Vietnamese alphabet to give ơ and ư, unrounded variants of the vowel represented by the basic letter.
Starbucks is saying goodbye to a handful of complicated or less popular coffee concoctions to simplify menus and speed up customer wait times. Starbucks confirmed to ABC News that as of March 4, a ...
VisiCalc ("visible calculator") [1] is the first spreadsheet computer program for personal computers, [2] originally released for the Apple II by VisiCorp on October 17, 1979. [1] [3] It is considered the killer application for the Apple II, [4] turning the microcomputer from a hobby for computer enthusiasts into a serious business tool, and then prompting IBM to introduce the IBM PC two years ...
With another fatal plane crash in the headlines, many travelers may be worried about stepping onboard their next flight. Experts say that aviation is safe – though not without its problems.
It was also used to mark Roman numerals whose values are multiplied by 1,000. [2] Today, however, the common usage of a vinculum to indicate the repetend of a repeating decimal [ 3 ] [ 4 ] is a significant exception and reflects the original usage.