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  2. Anagram dictionary - Wikipedia

    en.wikipedia.org/wiki/Anagram_dictionary

    Anagram dictionary. In the main type of anagram dictionary, the letters in words or phrases are rearranged in alphabetical order, and these transpositions are themselves then ordered alphabetically within word-length groups, so that any words consisting of this group of letters can be found. This arrangement is designed for use in solving word ...

  3. Alphabetical order - Wikipedia

    en.wikipedia.org/wiki/Alphabetical_order

    Alphabetical order is a system whereby character strings are placed in order based on the position of the characters in the conventional ordering of an alphabet. It is one of the methods of collation. In mathematics, a lexicographical order is the generalization of the alphabetical order to other data types, such as sequences of numbers or ...

  4. Random number generation - Wikipedia

    en.wikipedia.org/wiki/Random_number_generation

    Dice are an example of a mechanical hardware random number generator. When a cubical die is rolled, a random number from 1 to 6 is obtained. Random number generation is a process by which, often by means of a random number generator (RNG), a sequence of numbers or symbols that cannot be reasonably predicted better than by random chance is generated.

  5. Cutter Expansive Classification - Wikipedia

    en.wikipedia.org/wiki/Cutter_Expansive...

    History of the Expansive Classification. Charles Ammi Cutter (1837–1903), inspired by the decimal classification of his contemporary Melvil Dewey, and with Dewey's initial encouragement, developed his own classification scheme for the Winchester, Massachusetts town library and then the Boston Athenaeum, [2] at which he served as librarian for ...

  6. Lexicographic order - Wikipedia

    en.wikipedia.org/wiki/Lexicographic_order

    In mathematics, the lexicographic or lexicographical order (also known as lexical order, or dictionary order) is a generalization of the alphabetical order of the dictionaries to sequences of ordered symbols or, more generally, of elements of a totally ordered set . There are several variants and generalizations of the lexicographical ordering.

  7. Mail sorting - Wikipedia

    en.wikipedia.org/wiki/Mail_sorting

    Mail sorting. Mail sorting refers to the methods by which postal systems determine how and where to route mail for delivery. Once accomplished by hand, mail sorting is now largely automated through the aid of specialized machines. The first widely adopted mail sorting machine was the Transorma, first made operational in Rotterdam in 1930.

  8. Longest word in English - Wikipedia

    en.wikipedia.org/wiki/Longest_word_in_English

    The longest word whose letters are in alphabetical order is the eight-letter Aegilops, a grass genus. However, this is arguably a proper noun. There are several six-letter English words with their letters in alphabetical order, including abhors, almost, begins, biopsy, chimps and chintz.

  9. Pinyin alphabetical order - Wikipedia

    en.wikipedia.org/wiki/Pinyin_alphabetical_order

    The words are sorted by the pinyin letter strings of the whole words, and then sorted by tone when the letters are the same. To compare to the previous example, the order would be. 電燈 ( diàndēng ), 地標 ( dìbiāo ), 地表 ( dìbiǎo ), 底層 ( dǐcéng ), 地租 ( dìzū ). This method is applied to ABC Chinese-English Dictionary. [9]