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  2. Glossary of mathematical symbols - Wikipedia

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

    A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...

  3. Glossary of mathematical jargon - Wikipedia

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

    projection. A projection is, roughly, a map from some space or object to another that omits some information on the object or space. For example, R 2 → R , ( x , y ) ↦ x {\displaystyle \mathbb {R} ^ {2}\to \mathbb {R} , (x,y)\mapsto x} is a projection and its restriction to a graph of a function, say, is also a projection.

  4. List of languages by number of native speakers in India

    en.wikipedia.org/wiki/List_of_languages_by...

    States and union territories of India by the spoken first language [1] [note 1]. The Republic of India is home to several hundred languages.Most Indians speak a language belonging to the families of the Indo-Aryan branch of Indo-European (c. 77%), the Dravidian (c. 20.61%), the Austroasiatic (precisely Munda and Khasic) (c. 1.2%), or the Sino-Tibetan (precisely Tibeto-Burman) (c. 0.8%), with ...

  5. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Mathematical notation led to algebra which, roughly speaking, consists of the study and the manipulation of formulas. Calculus , consisting of the two subfields differential calculus and integral calculus , is the study of continuous functions , which model the typically nonlinear relationships between varying quantities, as represented by ...

  6. Why the Fed might need to 'get on with it' and cut rates - AOL

    www.aol.com/finance/why-fed-might-cut-rates...

    To be clear, Dutta and other economists are more concerned about how the economic data could spiral from here rather than where it sits today.

  7. Indian English - Wikipedia

    en.wikipedia.org/wiki/Indian_English

    Indian English ( IE) is a group of English dialects spoken in the Republic of India and among the Indian diaspora. [ 4] English is used by the Government of India for communication, and is enshrined in the Constitution of India. [ 5]

  8. List of languages by total number of speakers - Wikipedia

    en.wikipedia.org/wiki/List_of_languages_by_total...

    Conversely, colloquial registers of Hindi and Urdu are almost completely mutually intelligible, and are sometimes classified as one language, Hindustani. Such rankings should be used with caution, because it is not possible to devise a coherent set of linguistic criteria for distinguishing languages in a dialect continuum. [1]

  9. D. R. Kaprekar - Wikipedia

    en.wikipedia.org/wiki/D._R._Kaprekar

    D. R. Kaprekar. Dattatreya Ramchandra Kaprekar ( Marathi: दत्तात्रेय रामचंद्र कापरेकर; 17 January 1905 – 1986) was an Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, harshad and self numbers and discovered the Kaprekar's constant ...