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Ǝ ǝ (turned E or reversed E) is an additional letter of the Latin alphabet used in African languages using the Pan-Nigerian alphabet. The minuscule is based on a rotated e and the capital form majuscule Ǝ, based on a reversed (mirrored) majuscule E.
The Atbash cipher is a particular type of monoalphabetic cipher formed by taking the alphabet (or abjad, syllabary, etc.) and mapping it to its reverse, so that the first letter becomes the last letter, the second letter becomes the second to last letter, and so on. For example, the Hebrew alphabet would work like this:
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh; or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code, or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet .
Reversed Ze or Cyrillic Epsilon (Ԑ ԑ; italics: Ԑ ԑ) is a letter of the Cyrillic script.Its form is a reversed Cyrillic letter Ze (З з З з).It resembles the Latin letter epsilon (Ɛ ɛ) and the Greek letter Epsilon (Ε ε), as well as a hand-written form of the uppercase Latin E and Cyrillic letter Ye, but has different origins from them.
ROT13 is a simple letter substitution cipher that replaces a letter with the 13th letter after it in the Latin alphabet.. ROT13 is a special case of the Caesar cipher which was developed in ancient Rome, used by Julius Caesar in the 1st century BC. [1]
Other examples include the use of Ш for W, Ц for U, Я/Г for R/backwards and upside-down L, Ф for O, Д for A, Б, Ь, or Ъ for B/b, З, Э, or Ё for E, Ч or У for Y. Outside the Russian alphabet, Џ (from Serbian) can act as a substitute for U, Ғ (from Turkic languages) for F, Ә (from Turkic languages, Abkhaz, Dungan, Itelmen, Kalmyk ...
A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.