• Thumbnail for Jamshid al-Kashi
    Ghiyāth al-Dīn Jamshīd Masʿūd al-Kāshī (or al-Kāshānī) (Persian: غیاث‌الدین جمشید کاشانی Ghiyās-ud-dīn Jamshīd Kāshānī) (c. 1380 Kashan, Iran – 22 June...
    21 KB (2,459 words) - 07:51, 24 December 2024
  • Thumbnail for Law of cosines
    Jamshīd al-Kāshī, who computed the most accurate trigonometric tables of his era, wrote about various methods of solving triangles in his Miftāḥ al-ḥisāb...
    36 KB (5,727 words) - 06:04, 27 December 2024
  • fraction. Al-Uqlidisi uses decimal fractions as such, appreciates the importance of a decimal sign, and suggests a good one. Not al-Kashi (d. 1436/7)...
    5 KB (606 words) - 11:07, 28 October 2024
  • Kashani (redirect from Al-Kashani)
    Kashani or Qashani (Persian: کاشانی), often shortened to Kashi or al-Kashi (Persian: کاشی), is a surname meaning a person who comes from Kashan, Iran...
    2 KB (324 words) - 08:47, 9 November 2024
  • Thumbnail for Ulugh Beg Observatory
    period. Islamic astronomers who worked at the observatory include Jamshid al-Kashi, Ali Qushji, and Ulugh Beg himself. The observatory was destroyed in 1449...
    21 KB (2,942 words) - 15:15, 22 November 2024
  • {2b}{3}}} and b {\displaystyle b} . In the early 15th century, Jamshīd al-Kāshī developed an early form of Newton's method to numerically solve the equation...
    121 KB (17,011 words) - 11:04, 30 December 2024
  • Thumbnail for Kashi Vishwanath Temple
    Kashi Vishwanath Temple is a Hindu temple dedicated to Shiva. It is located in Vishwanath Gali, in Varanasi, Uttar Pradesh, India. The temple is a Hindu...
    39 KB (3,926 words) - 21:01, 28 November 2024
  • O'Connor, John J.; Robertson, Edmund F. (1999). "Ghiyath al-Din Jamshid Mas'ud al-Kashi". MacTutor History of Mathematics archive. Archived from the...
    148 KB (17,590 words) - 21:09, 28 December 2024
  • Thumbnail for Timurid Renaissance
    pdf O'Connor, John J.; Robertson, Edmund F., "Ghiyath al-Din Jamshid Mas'ud al-Kashi", MacTutor History of Mathematics Archive, University of St...
    25 KB (2,776 words) - 19:58, 13 December 2024
  • 15th century — Ibn al-Banna and al-Qalasadi introduced symbolic notation for algebra and for mathematics in general. 1427 — Al-Kashi completes The Key...
    10 KB (1,272 words) - 02:05, 25 December 2024
  • was 3;8,30 = 3 + ⁠8/60⁠ + ⁠30/602⁠ = ⁠377/120⁠ ≈ 3.141666.... Jamshīd al-Kāshī, a 15th-century Persian mathematician, calculated 2π as a sexagesimal expression...
    27 KB (3,026 words) - 05:37, 24 December 2024
  • Thumbnail for Science in the medieval Islamic world
    al-'Awwam, and geography enabled Abu Zayd al-Balkhi to make accurate maps. Islamic mathematicians such as Al-Khwarizmi, Avicenna and Jamshīd al-Kāshī...
    48 KB (5,231 words) - 08:07, 26 August 2024
  • Thumbnail for Approximations of π
    developed approximations correct to eleven and then thirteen digits. Jamshīd al-Kāshī achieved sixteen digits next. Early modern mathematicians reached an accuracy...
    88 KB (12,492 words) - 04:58, 27 December 2024
  • Ma'shar al-Balkhi (Albumasar) Jamshīd al-Kāshī Kamāl al-Dīn al-Fārisī Muḥyi al-Dīn al-Maghribī Mo'ayyeduddin Urdi Muhammad Baqir Yazdi Nasir al-Din al-Tusi...
    21 KB (2,159 words) - 18:18, 2 November 2024
  • Thumbnail for Islam
    Islam (redirect from Al-Islam)
    October 2018. Retrieved 27 August 2023. "Ghiyath al-Din Jamshid Mas'ud al-Kashi". University of St Andrews. 1999. Archived from the original on 4 January...
    247 KB (24,470 words) - 23:11, 29 December 2024
  • Thumbnail for Chronology of computation of π
    Jamshid Mas'ud al-Kashi", MacTutor History of Mathematics Archive, University of St Andrews Azarian, Mohammad K. (2010). "Al-Risāla Al-Muhītīyya: A Summary"...
    41 KB (1,634 words) - 15:23, 16 December 2024
  • Thumbnail for Islamic Golden Age
    "Ghiyath al-Din Jamshid Mas'ud al-Kashi". University of St Andrews. 1999. Retrieved 29 December 2021. "Abu Abd Allah Muhammad ibn Muadh Al-Jayyani"....
    123 KB (13,893 words) - 03:32, 17 December 2024
  • Thumbnail for Indiana pi bill
    Memorization People Archimedes Liu Hui Zu Chongzhi Aryabhata Madhava Jamshīd al-Kāshī Ludolph van Ceulen François Viète Seki Takakazu Takebe Kenko William Jones...
    15 KB (1,604 words) - 23:58, 12 November 2024
  • geometry. 1424 – Ghiyath al-Kashi computes π to sixteen decimal places using inscribed and circumscribed polygons. 1427 – Jamshid al-Kashi completes The Key...
    64 KB (7,795 words) - 17:49, 6 December 2024
  • Thumbnail for Qāḍī Zāda al-Rūmī
    He computed sin 1° to an accuracy of 10−12. Together with Ulugh Beg, al-Kāshī and a few other astronomers, Qāḍī Zāda produced the Zij-i-Sultani, the...
    4 KB (378 words) - 10:10, 20 February 2024
  • Thumbnail for Degree (angle)
    fourths, etc., which continues the sexagesimal unit subdivision, was used by al-Kashi[citation needed] and other ancient astronomers, but is rarely used today...
    14 KB (1,445 words) - 16:10, 13 December 2024
  • Thumbnail for Simon Stevin
    given well before Stevin in the book Miftah al-Hisab written in 1427 by Al-Kashi. His contemporaries were most struck by his invention of a so-called land...
    31 KB (3,727 words) - 15:58, 7 December 2024
  • Thumbnail for Shams al-Din al-Khafri
    Shams al-Din Muhammad b. Ahmad al-Khafri al-Kashi (died 1550), known as Khafri, was an Iranian religious scholar and astronomer at the beginning of the...
    7 KB (742 words) - 18:55, 27 January 2024
  • Thumbnail for Positional notation
    The Persian mathematician Jamshīd al-Kāshī made the same discovery of decimal fractions in the 15th century. Al Khwarizmi introduced fractions to Islamic...
    51 KB (7,467 words) - 18:18, 21 December 2024
  • Thumbnail for Radian
    Lehrbrief über den kreisumfang von Gamshid b. Mas'ud al-Kasi [Treatise on the Circumference of al-Kashi]. Berlin: Akademie Verlag. p. 40. Roche, John J. (21...
    41 KB (5,407 words) - 03:00, 14 December 2024
  • Thumbnail for History of trigonometry
    in Naṣīr al-Dīn al-Ṭūsī's Book on the Complete Quadrilateral (c. 1250), and the same method is described in more detail in Jamshīd al-Kāshī's Key of Arithmetic...
    53 KB (6,886 words) - 01:30, 25 December 2024
  • Thumbnail for Fraction
    the Chinese many centuries before Stevin and that the Persian astronomer Al-Kāshī used both decimal and sexagesimal fractions with great ease in his Key...
    66 KB (9,607 words) - 08:28, 22 December 2024
  • Thumbnail for Timeline of computing hardware before 1950
    Kennedy, Edward S. (1950). "A Fifteenth-Century Planetary Computer: al-Kashi's "Tabaq al-Manateq" I. Motion of the Sun and Moon in Longitude". Isis. 41 (2):...
    69 KB (1,943 words) - 10:00, 22 March 2024
  • Thumbnail for Trigonometric functions
    mathematicians including Omar Khayyám, Bhāskara II, Nasir al-Din al-Tusi, Jamshīd al-Kāshī (14th century), Ulugh Beg (14th century), Regiomontanus (1464)...
    77 KB (10,679 words) - 22:59, 22 December 2024
  • Runge–Kutta methods, for numerical solution of differential equations Jamshīd al-Kāshī used iterative methods to calculate the sine of 1° and π in The Treatise...
    11 KB (1,512 words) - 20:11, 1 December 2024