Kuhi
Encyclopedia
was a Persian
mathematician
, physicist
and astronomer
. Quhi was from Kuh (or Quh), an area in Tabaristan, and flourished in Baghdad
in the 10th century. He is considered one of the greatest Muslim geometers.
Many mathematical and astronomical writings are ascribed to him. He was the leader of the astronomers working in 988 AD at the observatory built by the Buwayhid
Sharaf al-Dawla. He devoted his attention to those Archimedean
and Apollonian
problems leading to equation
s higher than the second degree
. He solved some of them and discussed the conditions of solvability.
Persian people
The Persian people are part of the Iranian peoples who speak the modern Persian language and closely akin Iranian dialects and languages. The origin of the ethnic Iranian/Persian peoples are traced to the Ancient Iranian peoples, who were part of the ancient Indo-Iranians and themselves part of...
mathematician
Islamic mathematics
In the history of mathematics, mathematics in medieval Islam, often termed Islamic mathematics or Arabic mathematics, covers the body of mathematics preserved and developed under the Islamic civilization between circa 622 and 1600...
, physicist
Islamic science
Science in the medieval Islamic world, also known as Islamic science or Arabic science, is the science developed and practised in the Islamic world during the Islamic Golden Age . During this time, Indian, Iranian and especially Greek knowledge was translated into Arabic...
and astronomer
Islamic astronomy
Islamic astronomy or Arabic astronomy comprises the astronomical developments made in the Islamic world, particularly during the Islamic Golden Age , and mostly written in the Arabic language. These developments mostly took place in the Middle East, Central Asia, Al-Andalus, and North Africa, and...
. Quhi was from Kuh (or Quh), an area in Tabaristan, and flourished in Baghdad
Baghdad
Baghdad is the capital of Iraq, as well as the coterminous Baghdad Governorate. The population of Baghdad in 2011 is approximately 7,216,040...
in the 10th century. He is considered one of the greatest Muslim geometers.
Many mathematical and astronomical writings are ascribed to him. He was the leader of the astronomers working in 988 AD at the observatory built by the Buwayhid
Buwayhid
The Buyid dynasty, also known as the Buyid Empire or the Buyids , also known as Buwaihids, Buyahids, or Buyyids, were a Shī‘ah Persian dynasty that originated from Daylaman in Gilan...
Sharaf al-Dawla. He devoted his attention to those Archimedean
Archimedes
Archimedes of Syracuse was a Greek mathematician, physicist, engineer, inventor, and astronomer. Although few details of his life are known, he is regarded as one of the leading scientists in classical antiquity. Among his advances in physics are the foundations of hydrostatics, statics and an...
and Apollonian
Apollonius of Perga
Apollonius of Perga [Pergaeus] was a Greek geometer and astronomer noted for his writings on conic sections. His innovative methodology and terminology, especially in the field of conics, influenced many later scholars including Ptolemy, Francesco Maurolico, Isaac Newton, and René Descartes...
problems leading to equation
Equation
An equation is a mathematical statement that asserts the equality of two expressions. In modern notation, this is written by placing the expressions on either side of an equals sign , for examplex + 3 = 5\,asserts that x+3 is equal to 5...
s higher than the second degree
Quadratic equation
In mathematics, a quadratic equation is a univariate polynomial equation of the second degree. A general quadratic equation can be written in the formax^2+bx+c=0,\,...
. He solved some of them and discussed the conditions of solvability.