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In cryptography, a substitution cipher is a method of encrypting in which units of plaintext are replaced with the ciphertext, in a defined manner, with the help of a key; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth. The receiver deciphers the text by performing ...
Blanagram: rearranging the letters of a word or phrase and substituting one single letter to produce a new word or phrase; Letter bank: using the letters from a certain word or phrase as many times as wanted to produce a new word or phrase; Jumble: a kind of word game in which the solution of a puzzle is its anagram
The Computer Modern fonts replace it with an "E.T." symbol in the cmti# (text italic) fonts, so it can be entered as {\it\&} in running text when using the default (Computer Modern) fonts. [ 39 ] In Microsoft Windows menus, labels, and other captions, the ampersand is used to denote the next letter as a keyboard shortcut (called an "Access key ...
The negative squared letter B (🅱️; originally used to represent blood type B) [39] can be used to replace hard consonants as an internet meme. This originates from the practice of members of the Bloods replacing the letter C with the letter B, but has been extended to any consonant. [40] [41] Common examples are: Ni🅱️🅱️a ...
Letterlike Symbols is a Unicode block containing 80 characters which are constructed mainly from the glyphs of one or more letters. In addition to this block, Unicode includes full styled mathematical alphabets , although Unicode does not explicitly categorize these characters as being "letterlike."
A ten-letter heterogram can be used as the key to a substitution cipher for numbers, with the heterogram encoding the string 1234567890 or 0123456789. This is used in businesses where salespeople and customers traditionally haggle over sales prices, such as used-car lots and pawn shops.
The letter "Ø" is sometimes used in mathematics as a replacement for the symbol "∅" (Unicode character U+2205), referring to the empty set as established by Bourbaki, and sometimes in linguistics as a replacement for same symbol used to represent a zero.
This is a deliberately inaccurate spelling/pronunciation for porn, [26] where a zero is often used to replace the letter O. It is sometimes used in legitimate communications (such as email discussion groups, Usenet , chat rooms, and Internet web pages) to circumvent language and content filters , which may reject messages as offensive or spam .