Search results
Results From The WOW.Com Content Network
The inversion from verb—object to object—verb on which copy and paste are based, where the user selects the object to be operated before initiating the operation, was an innovation crucial for the success of the desktop metaphor as it allowed copy and move operations based on direct manipulation.
The copyright symbol, or copyright sign, designated by (a circled capital letter "C"), is the symbol used in copyright notices for works other than sound recordings.
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 ℔ .
The equals sign (British English) or equal sign (American English), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1] In an equation , it is placed between two expressions that have the same value, or for which one studies the conditions under which they have the ...
Three variants of obelus glyphs. The dagger symbol originated from a variant of the obelus, originally depicted by a plain line − or a line with one or two dots ÷. [7] It represented an iron roasting spit, a dart, or the sharp end of a javelin, [8] symbolizing the skewering or cutting out of dubious matter.
They were introduced by the mathematician Georg Cantor [1] and are named after the symbol he used to denote them, the Hebrew letter aleph (ℵ). [ 2 ] [ a ] The cardinality of the natural numbers is ℵ 0 (read aleph-nought , aleph-zero , or aleph-null ), the next larger cardinality of a well-ordered set is aleph-one ℵ 1 , then ℵ 2 and so on.
Balkenkreuz symbol is based on the cross of the Teutonic Order. [2] [3] Germany's Luftstreitkräfte (the army air service of the German Imperial Army) first officially adopted the Balkenkreuz in mid-April 1918 (about a week before the death of Manfred von Richthofen), and used it from that time until World War I ended in November 1918.
The section sign (§) is a typographical character for referencing individually numbered sections of a document; it is frequently used when citing sections of a legal code. [1] It is also known as the section symbol, section mark, double-s, or silcrow. [2] [3] In other languages it may be called the "paragraph symbol" (for example, German ...