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  2. Timeline of algebra - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_algebra

    Thomas Harriot in a posthumous publication is the first to use symbols < and > to indicate "less than" and "greater than", respectively. [26] 1637: Pierre de Fermat claims to have proven Fermat's Last Theorem in his copy of Diophantus' Arithmetica, 1637: René Descartes introduces the use of the letters z, y, and x for unknown quantities. [27 ...

  3. Mathematical notation - Wikipedia

    en.wikipedia.org/wiki/Mathematical_notation

    Letters are typically used for naming—in mathematical jargon, one says representing—mathematical objects. The Latin and Greek alphabets are used extensively, but a few letters of other alphabets are also used sporadically, such as the Hebrew ⁠ ⁠, Cyrillic Ш, and Hiragana よ. Uppercase and lowercase letters are considered as different ...

  4. 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. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.

  5. History of mathematical notation - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematical...

    Multiplication, evolution, and unknown quantities were represented by abbreviations of appropriate terms. [36] The Hindu–Arabic numeral system and the rules for the use of its operations, in use throughout the world today, likely evolved over the course of the first millennium AD in India and was transmitted to the west via Islamic mathematics.

  6. List of physical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_physical_constants

    The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured. Many of these are redundant, in the sense that they obey a known relationship with other physical ...

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    Letter Garden. Spell words by linking letters, clearing space for your flowers to grow. Can you clear the entire garden? By Masque Publishing

  8. List of letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/List_of_letters_used_in...

    Latin and 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.

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