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  2. Letter frequency - Wikipedia

    en.wikipedia.org/wiki/Letter_frequency

    The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...

  3. Frequency analysis - Wikipedia

    en.wikipedia.org/wiki/Frequency_analysis

    Eve could use frequency analysis to help solve the message along the following lines: counts of the letters in the cryptogram show that I is the most common single letter, [2] XL most common bigram, and XLI is the most common trigram. e is the most common letter in the English language, th is the most common bigram, and the is the

  4. English alphabet - Wikipedia

    en.wikipedia.org/wiki/English_alphabet

    The ampersand (&) has sometimes appeared at the end of the English alphabet, as in Byrhtferð's list of letters in 1011. [2] & was regarded as the 27th letter of the English alphabet, as taught to children in the US and elsewhere. [vague] An example may be seen in M. B. Moore's 1863 book The Dixie Primer, for the Little Folks. [3]

  5. List of writing systems - Wikipedia

    en.wikipedia.org/wiki/List_of_writing_systems

    Writing systems are used to record human language, and may be classified according to certain common features.. The usual name of the script is given first; the name of the languages in which the script is written follows (in brackets), particularly in the case where the language name differs from the script name.

  6. Alphabet - Wikipedia

    en.wikipedia.org/wiki/Alphabet

    Hangul is a unique alphabet: it is a featural alphabet, where the design of many of the letters comes from a sound's place of articulation, like P looking like the widened mouth and L looking like the tongue pulled in. [47] [better source needed] The creation of Hangul was planned by the government of the day, [48] and it places individual ...

  7. Do You Know the Last Letter Added to the Alphabet? (It ... - AOL

    www.aol.com/know-last-letter-added-alphabet...

    For example, you probably think the last letter added to the alphabet was “Z”—and yet, it actually wasn't. Here are more interesting facts like this that will blow your mind. Yet that ...

  8. E - Wikipedia

    en.wikipedia.org/wiki/E

    E is the most common (or highest-frequency) letter in the English language alphabet and several other European languages, [7] which has implications in both cryptography and data compression. This makes it a harder letter to use when writing lipograms.

  9. What Is the Longest Word in English? Hint: It’s 189,819 ...

    www.aol.com/longest-word-english-hint-189...

    So, if this is the sort of distinction you care about, we’ve got some more brain food for you: With 645 meanings, the most complicated word in English is only three letters long. Sources: