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  2. ArabTeX - Wikipedia

    en.wikipedia.org/wiki/ArabTeX

    The ArabTeX logo. ArabTeX is a free software package providing support for the Arabic and Hebrew alphabets to TeX and LaTeX.Written by Klaus Lagally, it can take romanized ASCII or native script input to produce quality ligatures for Arabic, Persian, Urdu, Pashto, Sindhi, Western Punjabi (Lahnda), Maghribi, Uyghur, Kashmiri, Hebrew, Judeo-Arabic, Ladino and Yiddish.

  3. Modern Arabic mathematical notation - Wikipedia

    en.wikipedia.org/wiki/Modern_Arabic_mathematical...

    It is contested that the usage of Latin x in maths is derived from the first letter ش šīn (without its dots) of the Arabic word شيء šayʾ(un), meaning thing. [2] (X was used in old Spanish for the sound /ʃ/). However, according to others there is no historical evidence for this. [3] [4] ص: From the Arabic letter ص ṣād

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

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

    the Kappa number, indicating lignin content in pulp; represents: the Von Kármán constant, describing the velocity profile of turbulent flow; the kappa curve, a two-dimensional algebraic curve; the condition number of a matrix in numerical analysis; the connectivity of a graph in graph theory; curvature

  5. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    3. Between two groups, may mean that the first one is a proper subgroup of the second one. > (greater-than sign) 1. Strict inequality between two numbers; means and is read as "greater than". 2. Commonly used for denoting any strict order. 3. Between two groups, may mean that the second one is a proper subgroup of the first one. ≤ 1.

  6. Koppa (letter) - Wikipedia

    en.wikipedia.org/wiki/Koppa_(letter)

    Koppa or qoppa (Ϙ, ϙ; as a modern numeral sign: ϟ) is a letter that was used in early forms of the Greek alphabet, derived from Phoenician qoph (𐤒).It was originally used to denote the /k/ sound, but dropped out of use as an alphabetic character and replaced by Kappa (Κ).

  7. List of common physics notations - Wikipedia

    en.wikipedia.org/wiki/List_of_common_physics...

    Note that bold text indicates that the quantity is a vector. Latin characters. Symbol Meaning SI unit of measure magnetic vector potential : tesla meter (T⋅m ...

  8. Kaph - Wikipedia

    en.wikipedia.org/wiki/Kaph

    Kaph is thought to be derived from a pictogram of a hand (in both modern Arabic and modern Hebrew, kaph כף means "palm" or "grip"), though in Arabic the a in the name of the letter (كاف) is pronounced longer than the a in the word meaning "palm" (كَف).

  9. Urdu alphabet - Wikipedia

    en.wikipedia.org/wiki/Urdu_alphabet

    Roman Urdu also holds significance among the Christians of Pakistan and North India. Urdu was the dominant native language among Christians of Karachi and Lahore in present-day Pakistan and Madhya Pradesh, Uttar Pradesh Rajasthan in India, during the early part of the 19th and 20th century, and is still used by Christians in these places ...