New games! PlayTrivia andBirthle.


Abu al-Wafa' Buzjani

940 - 998

Photo of Abu al-Wafa' Buzjani

Icon of person Abu al-Wafa' Buzjani

Abū al-Wafāʾ Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās al-Būzjānī or Abū al-Wafā Būzhjānī (Persian: ابو الوفا بوژگانی, or Arabic: ابو الوفا بوزجانی) (10 June 940 – 15 July 998) was a Persian mathematician and astronomer who worked in Baghdad. He made important innovations in spherical trigonometry, and his work on arithmetic for businessmen contains the first instance of using negative numbers in a medieval Islamic text. He is also credited with compiling the tables of sines and tangents at 15' intervals. Read more on Wikipedia

Since 2007, the English Wikipedia page of Abu al-Wafa' Buzjani has received more than 97,102 page views. His biography is available in 44 different languages on Wikipedia. Abu al-Wafa' Buzjani is the 56th most popular mathematician (up from 60th in 2019), the 51st most popular biography from Iran (down from 48th in 2019) and the 2nd most popular Iranian Mathematician.

Abu al-Wafa' Buzjani was a mathematician and astronomer who was most famous for his tables of trigonometric functions.

Memorability Metrics

  • 97k

    Page Views (PV)

  • 68.69

    Historical Popularity Index (HPI)

  • 44

    Languages Editions (L)

  • 9.78

    Effective Languages (L*)

  • 2.28

    Coefficient of Variation (CV)

Page views of Abu al-Wafa' Buzjanis by language


Among mathematicians, Abu al-Wafa' Buzjani ranks 56 out of 823Before him are Sir George Stokes, 1st Baronet, Philolaus, Karl Weierstrass, Sofia Kovalevskaya, Nikolai Lobachevsky, and Gaspard Monge. After him are Abraham de Moivre, Brahmagupta, Al-Battani, Marin Mersenne, August Ferdinand Möbius, and Simon Stevin.

Most Popular Mathematicians in Wikipedia

Go to all Rankings


Among people born in 940, Abu al-Wafa' Buzjani ranks 3Before him are Hugh Capet and Ferdowsi. After him are Mieszko I of Poland, Eadwig, Géza, Grand Prince of the Hungarians, Leopold I, Margrave of Austria, Doubravka of Bohemia, Henry III, Duke of Bavaria, Baldwin III, Count of Flanders, Abu-Mahmud Khojandi, and Abū Sahl al-Qūhī. Among people deceased in 998, Abu al-Wafa' Buzjani ranks 1After him are Sigfried, Count of the Ardennes and Koppány.

Others Born in 940

Go to all Rankings

Others Deceased in 998

Go to all Rankings

In Iran

Among people born in Iran, Abu al-Wafa' Buzjani ranks 51 out of 528Before him are Abolhassan Banisadr (1933), Yazdegerd III (624), Rashid-al-Din Hamadani (1247), Hassan Rouhani (1948), Soraya Esfandiary-Bakhtiary (1932), and Mohammad Mosaddegh (1882). After him are Mahmoud Ahmadinejad (1956), Abbas Kiarostami (1940), Abd al-Rahman al-Sufi (903), Báb (1819), Cyaxares (-700), and Ghazan (1271).

Others born in Iran

Go to all Rankings


Among mathematicians born in Iran, Abu al-Wafa' Buzjani ranks 2Before him are Omar Khayyam (1048). After him are Al-Karaji (953), Abu Nasr Mansur (960), Qutb al-Din al-Shirazi (1236), Al-Khazini (1077), Sharaf al-Dīn al-Ṭūsī (1135), Maryam Mirzakhani (1977), Al-Nayrizi (865), and Caucher Birkar (1978).