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  2. Slashed zero - Wikipedia

    en.wikipedia.org/wiki/Slashed_zero

    The dotted or slashed zero 0̷ is a representation of the Arabic digit "0" (zero) with a slash or a dot through it. This variant zero glyph is often used to distinguish the digit "zero" ("0") from the Latin script letter " O " anywhere that the distinction needs emphasis, particularly in encoding systems, scientific and engineering applications ...

  3. Symbols for zero - Wikipedia

    en.wikipedia.org/wiki/Symbols_for_zero

    An alternative, the slashed zero (looking similar to the letter O except for the slash), was primarily used in hand-written coding sheets before transcription to punched cards or tape, and is also used in old-style ASCII graphic sets descended from the default typewheel on the Teletype Model 33 ASR.

  4. Null sign - Wikipedia

    en.wikipedia.org/wiki/Null_sign

    Greek letter Φ: majuscule U+03A6 Φ GREEK CAPITAL LETTER PHI and minuscule U+03C6 φ GREEK SMALL LETTER PHI are a part of the Greek alphabet. It sometimes take the form of U+03D5 ϕ GREEK PHI SYMBOL and is used as a sign in different fields of studies. The U+0278 ɸ LATIN SMALL LETTER PHI is used in the IPA for voiceless bilabial fricative.

  5. Ø - Wikipedia

    en.wikipedia.org/wiki/Ø

    Ø (or minuscule: ø) is a letter used in the Danish, Norwegian, Faroese, and Southern Sámi languages. It is mostly used to represent the mid front rounded vowels, such as [] ⓘ and [] ⓘ, except for Southern Sámi where it is used as an [oe] diphthong.

  6. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    As of Unicode version 16.0, there are 155,063 characters with code points, covering 168 modern and historical scripts, as well as multiple symbol sets.This article includes the 1,062 characters in the Multilingual European Character Set 2 subset, and some additional related characters.

  7. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.

  8. Names of small numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_small_numbers

    The following table lists the names of small numbers used in the long and short scales, along with the power of 10, engineering notation, and International System of Units (SI) symbols and prefixes. [1] [page needed] [2] [page needed] [3] [page needed] [4] [5] [6] [7]

  9. Enclosed Alphanumerics - Wikipedia

    en.wikipedia.org/wiki/Enclosed_alphanumerics

    Enclosed Alphanumerics is a Unicode block of typographical symbols of an alphanumeric within a circle, a bracket or other not-closed enclosure, or ending in a full stop.. It is currently fully allocated.