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  2. Standard form - Wikipedia

    en.wikipedia.org/wiki/Standard_form

    Standard form may refer to a way of writing very large or very small numbers by comparing the powers of ten. It is also known as Scientific notation . Numbers in standard form are written in this format: a×10 n Where a is a number 1 ≤ a < 10 and n is an integer.

  3. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    The base "Roman fraction" is S, indicating 1 ⁄ 2. The use of S (as in VIIS to indicate 7 1 ⁄ 2) is attested in some ancient inscriptions [45] and also in the now rare apothecaries' system (usually in the form SS): [44] but while Roman numerals for whole numbers are essentially decimal, S does not correspond to 5 ⁄ 10, as one might expect ...

  4. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form. The x must be lowercase in XML documents. The nnnn or hhhh may be any number of digits and may include leading zeros. The hhhh may mix uppercase and lowercase, though uppercase is the usual style.

  5. Unicode - Wikipedia

    en.wikipedia.org/wiki/Unicode

    Unicode, formally The Unicode Standard, [note 1] is a text encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Version 16.0 of the standard [A] defines 154 998 characters and 168 scripts [3] used in various ordinary, literary, academic, and ...

  6. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    The convergents of the continued fraction for φ are ratios of successive Fibonacci numbers: φ n = F n+1 / F n is the n-th convergent, and the (n + 1)-st convergent can be found from the recurrence relation φ n+1 = 1 + 1 / φ n. [31] The matrix formed from successive convergents of any continued fraction has a determinant of +1 or −1.

  7. John Stuart Mill - Wikipedia

    en.wikipedia.org/wiki/John_Stuart_Mill

    Mill's comptes rendus of his daily economy lessons helped his father in writing Elements of Political Economy in 1821, a textbook to promote the ideas of Ricardian economics; however, the book lacked popular support. [9] Ricardo, who was a close friend of his father, used to invite the young Mill to his house for a walk to talk about political ...

  8. Shabbat - Wikipedia

    en.wikipedia.org/wiki/Shabbat

    Jewish law (halakha) prohibits doing any form of melakhah (מְלָאכָה, plural melakhoth) on Shabbat, unless an urgent human or medical need is life-threatening. Though melakhah is commonly translated as "work" in English , a better definition is "deliberate activity" or "skill and craftmanship".

  9. Pre-Tridentine Mass - Wikipedia

    en.wikipedia.org/wiki/Pre-Tridentine_Mass

    The earliest surviving account of the celebration of the Eucharist or the Mass in Rome is that of Saint Justin Martyr (died c. 165), in chapter 67 of his First Apology: [2]. On the day called Sunday, all who live in cities or in the country gather together to one place, and the memoirs of the apostles or the writings of the prophets are read, as long as time permits; then, when the reader has ...