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The first symbol of an alternative may be the class being defined, the repetition, as explained by Naur, having the function of specifying that the alternative sequence can recursively begin with a previous alternative and can be repeated any number of times. [2] For example, above <expr> is defined as a <term> followed by any number of <addop ...
A ticker symbol or stock symbol is an abbreviation used to uniquely identify publicly traded shares of a particular stock or security on a particular stock exchange. Ticker symbols are arrangements of symbols or characters (generally Latin letters or digits) which provide a shorthand for investors to refer to, purchase, and research securities.
The representation of a grammar is a set of syntax diagrams. Each diagram defines a "nonterminal" stage in a process. There is a main diagram which defines the language in the following way: to belong to the language, a word must describe a path in the main diagram. Each diagram has an entry point and an end point.
This definition appears overcomplicated because the concept of "optional whitespace" must be explicitly defined in BNF, but it is implicit in WSN. Even in this example, text is left undefined, but it is assumed to mean "ASCII-character { ASCII-character }". (EOL is also left undefined.)
The root symbol is the symbol of the stock on the stock exchange. After this comes the month code, A-L mean January–December calls, M-X mean January–December puts. The strike price code is a letter corresponding with a certain strike price (which letter corresponds with which strike price depends on the stock).
The stock code will be derived from the “local code” published by the primary exchange. These will be truncated where necessary. If the local code contains a single letter class designator of A through Z (e.g. “STE A”) then the single letter class designator shall be retained and the code will be truncated to a maximum of 4 characters ...
A FBI document obtained by Wikileaks details the symbols and logos used by pedophiles to identify sexual preferences. According to the document members of pedophilic organizations use of ...
This is a list of major stock exchanges.Those futures exchanges that also offer trading in securities besides trading in futures contracts may be listed both here and in the list of futures exchanges.