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Learn how to use the major system, a mnemonic technique to memorize numbers by converting them into consonants and words. The system is based on the principle that images are easier to remember than numbers and has a standard mapping of numerals to sounds.
Learn about the most widely used set of clear-code words for communicating the letters of the Roman alphabet, also known as the NATO spelling alphabet. Find out the history, usage, pronunciation and variants of the code words, and how they differ from the International Phonetic Alphabet.
Besides the 26 letters of the ISO basic Latin alphabet, [b] Fraktur usually includes the Eszett ß in the ſʒ form, vowels with umlauts, and the long s ſ . Some Fraktur typefaces also include a variant form of the letter r known as the r rotunda , and many include a variety of ligatures which are left over from cursive handwriting and have ...
A comprehensive overview of the 155,063 characters with code points in Unicode version 16.0, covering 168 modern and historical scripts, as well as multiple symbol sets. Includes numeric and character entity references, control codes, and special areas and format characters.
Base32 is an encoding method based on the base-32 numeral system that uses an alphabet of 32 digits to represent 5-bit combinations. Learn about the different schemes and variants of base32, such as RFC 4648, base32hex, and z-base-32.
A Unicode block of Latin alphabet characters and Arabic numerals enclosed in circles, ovals or boxes. Learn about its range, plane, scripts, history, code chart and usage for emoji country flags.
Chart of the Morse code 26 letters and 10 numerals [1]. This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2]. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.
Atbash is a cipher that maps each letter to its reverse in the alphabet, such as A to Z and B to Y. It is used to encrypt the Hebrew alphabet and has no security, as it lacks a key.