The Compendious Book on Calculation by Completion and Balancing
The Compendious Book on Calculation by Completion and Balancing (Arabic: ٱلْكِتَاب ٱلْمُخْتَصَر فِي حِسَاب ٱلْجَبْر وَٱلْمُقَابَلَة, al-Kitāb al-Mukhtaṣar fī Ḥisāb al-Jabr wal-Muqābalah; Latin: Liber Algebræ et Almucabola), also known as Al-Jabr (ٱلْجَبْر), is a mathematical book on algebra written by Muḥammad ibn Mūsā al-Khwārizmī around 820 CE. Al-Jabr was important in the history of mathematics, the term "algebra" itself derived from Al-Jabr.
 title page, 9th century | |
| Author | Muhammad ibn Musa al-Khwarizmi |
|---|---|
| Original title | كتاب المختصر في حساب الجبر والمقابلة |
| Country | Abbasid Caliphate |
| Language | Arabic |
| Subject | Algebra |
Original text | كتاب المختصر في حساب الجبر والمقابلة at Script error: The function "name_from_code" does not exist. Wikisource |
Area and volume
The book show ways of finding area and volume. These include approximations of pi (π), as 3 1/7, √10, and 62832/20000. This latter approximation, this equals 3.1416, which appeared in Āryabhaṭīya (499 CE).[1]
The Compendious Book On Calculation By Completion And Balancing Media
Pages from a 14th-century Arabic copy of the book, showing geometric solutions to two quadratic equations
References
- ↑ B.L. van der Waerden, A History of Algebra: From al-Khwārizmī to Emmy Noether; Berlin: Springer-Verlag, 1985. ISBN 3-540-13610-X