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  2. Wikipedia:Reference desk/Archives/Mathematics/November 2023

    en.wikipedia.org/.../Mathematics/November_2023

    Welcome to the Wikipedia Mathematics Reference Desk Archives The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.

  3. Wikipedia:Reference desk/Archives/Mathematics/2023 November 1 ...

    en.wikipedia.org/.../Mathematics/2023_November_1

    --RDBury 21:19, 1 November 2023 (UTC) There are a number of ways to prove GalacticShoe's statement. The Cauchy condensation test or integral test for convergence will both work to prove that the sum converges for any x > 1. The proof that it diverges for x = 1 is a well-known gem. Double sharp 08:18, 2 November 2023 (UTC)

  4. List of Islamic years - Wikipedia

    en.wikipedia.org/wiki/List_of_Islamic_years

    Sun Nov 27, 2011 (Close to the Solar eclipse of November 25, 2011) 26 November [10] 1434 AH: Thu/Fri 14/15 Nov 2012 (Close to the Solar eclipse of November 13, 2012) 15 November [11] 1435 AH: Mon/Tue 4/5 Nov 2013 (Close to the Solar eclipse of November 3, 2013) 1436 AH: Fri/Sat 24/25 Oct 2014 (Close to the Solar eclipse of October 23, 2014) 1437 AH

  5. Hijri year - Wikipedia

    en.wikipedia.org/wiki/Hijri_year

    AH = 1.030684 × (CE − 621.5643) CE = 0.970229 × AH + 621.5643 or AH = (CE − 622) × 33 ÷ 32 CE = AH × 32 ÷ 33 + 622 Given that the Islamic New Year does not begin January 1 and that a Hijri calendar year is about 11 days shorter than a Gregorian calendar year, [13] [c] there is no direct correspondence between years of the two eras. A ...

  6. Wikipedia:Reference desk/Archives/Mathematics/2023 November ...

    en.wikipedia.org/.../Mathematics/2023_November_23

    Thanks, cmɢʟee⎆τaʟκ 07:39, 23 November 2023 (UTC) The main reason scaling the radius is not a common thing may be that the projection is mainly of historical interest. It is not hard to create an algorithm to compute the bearing from a source to a target, given their geographic coordinates, which can be further refined by modelling the ...

  7. Solar Hijri calendar - Wikipedia

    en.wikipedia.org/wiki/Solar_Hijri_calendar

    The calendar's epoch (first year) corresponds to the Hijrah in 622 CE, which is the same as the epoch of the Lunar Hijri calendar but as it is a solar calendar, the two calendars' year numbers do not coincide with each other and are slowly drifting apart, being about 43 years apart as of 2023.

  8. Portal:Current events/November 2023/Calendar - Wikipedia

    en.wikipedia.org/.../November_2023/Calendar

    This page was last edited on 28 December 2022, at 15:13 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  9. Wikipedia:Reference desk/Archives/Mathematics/October 2023

    en.wikipedia.org/.../Mathematics/October_2023

    This page was last edited on 7 November 2023, at 01:23 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.