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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 Unicode, two encodings are available: U+061F ؟ ARABIC QUESTION MARK (with bi-directional code AL: Right-to-Left Arabic) and U+2E2E ⸮ REVERSED QUESTION MARK (with bi-directional code Other Neutrals). Some browsers may display the character in the previous sentence as a forward question mark due to font or text directionality issues.
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 "two-fingered salute" (also "the forks" in Australia [11]) is commonly performed by flicking the V upwards from wrist or elbow. The V sign, when the palm is facing toward the person giving the sign, has long been an insulting gesture in the United Kingdom, and later in Ireland, Australia, New Zealand and South Africa. [2]
The base-2 numeral system is a positional notation with a radix of 2.Each digit is referred to as a bit, or binary digit.Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices, as a preferred system of use, over various other human techniques of communication, because ...
After a four-week absence from Washington, first lady Melania Trump returned to the White House on Saturday for an annual dinner and reception with the nation’s governors.
In English writing, quotation marks or inverted commas, also known informally as quotes, talking marks, [1] [2] speech marks, [3] quote marks, quotemarks or speechmarks, are punctuation marks placed on either side of a word or phrase in order to identify it as a quotation, direct speech or a literal title or name.
Modular exponentiation is exponentiation performed over a modulus.It is useful in computer science, especially in the field of public-key cryptography, where it is used in both Diffie–Hellman key exchange and RSA public/private keys.