Al-khwarizmi parents

Al-Karkhi

Abu Bakr ibn Muhammad ibn al Husayn al-Karaji (atau al-Karkhi) (s. 953 – s. 1029) ialah seorang ahli matematik dan jurutera kurun ke-10 yang bersemarak di Baghdad. Tiga karya utama beliau yang bertahan ialah karya-karya matematik iaitu Al-Badi' fi'l-hisab (Kekaguman pada Pengiraan), Al-Fakhri fi'l-jabr wa'l-muqabala (Kemegahan pada Algebra), dan Al-Kafi fi'l-hisab (Kecukupan pada Pengiraan).

Nama

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Terdapat kesamaran pada nama nisbah beliau. Sebahagian dokumen berbahasa Arab Zaman Pertengahan menyebutkan al-Karaji dan yang lain menyebutnya al-Karkhi.[1] Dokumen berbahasa Arab dari Baghdad pada masa itu kadang kala ditulis tanpa baris, yang dengannya nama yang ditulis memang samar dan boleh dibaca sebagai Karaji (reading ?) atau Karkhi (reading ?) atau Karahi atau Karhi (reading ?) -- lihat tatatanda rasm bahasa Arab, yakni ketiadaan perbezaan baris i'jam konsonan. Nisbahnya boleh jadi al-Karkhi, yang menunjukkan bahawa beliau dilahirkan di Karkh, sebuah subbandar Baghdad, atau al-Karaji yang

Al-Karaji

Persian mathematician and engineer (c. 953 – c. 1029)

Abū Bakr Muḥammad ibn al Ḥasan al-Karajī (Persian: ابو بکر محمد بن الحسن الکرجی; c. 953 – c. 1029) was a 10th-century Persian[2][3][4]mathematician and engineer who flourished at Baghdad. He was born in Karaj,[1] a city near Tehran. His three principal surviving works are mathematical: Al-Badi' fi'l-hisab (Wonderful on calculation), Al-Fakhri fi'l-jabr wa'l-muqabala (Glorious on algebra), and Al-Kafi fi'l-hisab (Sufficient on calculation).

Work

Al-Karaji wrote on mathematics and engineering. Some consider him to be merely reworking the ideas of others (he was influenced by Diophantus) but most regard him as more original,[5] in particular for the beginnings of freeing algebra from geometry. Among historians, his most widely studied work is his algebra book al-fakhri fi al-jabr wa al-muqabala, which survives from the medieval era in at least four copies.[6]

He expounded the basic principles of hydrology[7] and

Quick Info

Born
18 May 1048
Nishapur, Persia (now Iran)
Died
4 December 1131
Nishapur, Persia (now Iran)

Summary
Omar Khayyam was an Islamic scholar who was a poet as well as a mathematician. He compiled astronomical tables and contributed to calendar reform and discovered a geometrical method of solving cubic equations by intersecting a parabola with a circle.

Biography

Omar Khayyam's full name was Ghiyath al-Din Abu'l-Fath Umar ibn Ibrahim Al-Nisaburi al-Khayyami. A literal translation of the name al-Khayyami (or al-Khayyam) means 'tent maker' and this may have been the trade of Ibrahim his father. Khayyam played on the meaning of his own name when he wrote:-
Khayyam, who stitched the tents of science,
Has fallen in grief's furnace and been suddenly burned,
The shears of Fate have cut the tent ropes of his life,
And the broker of Hope has sold him for nothing!
The political events of the 11th Century played a major role in the course of Khayyam's life. The Seljuq Turks were tribes that invaded southwestern Asia in the 11th Century and eventua

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