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   Jamshīd al-Kāshī

   Al-Kashi invented the Plate of Conjunctions, an analog computing instrument used to determine the time of day at which planetary conjunctions will occur, and for performing linear interpolation. ... Al-Kashi also invented a mechanical planetary computer which he called the Plate of Zones, which could graphically solve a number of planetary problems, including the prediction of the true positions in longitude of the Sun and Moon, and the planets in terms of elliptical orbits; the latitudes of the Sun, Moon, and planets; and the ecliptic of the Sun.
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   Astronomy in Islam and Muslim history

   In the 15th century, al-Kashi invented the Plate of Conjunctions, a computing instrument used to determine the time of day at which planetary conjunctions will occur, and for performing linear interpolation. ... In the 15th century, al-Kashi also invented a mechanical planetary computer which he called the Plate of Zones, which could graphically solve a number of planetary problems, including the prediction of the true positions in longitude of the Sun and Moon, and the planets in terms of elliptical orbits; the latitudes of the Sun, Moon, and planets; and the ecliptic of the Sun.
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   Astronomy in medieval Islam

   In the 15th century, al-Kashi invented the Plate of Conjunctions, a computing instrument used to determine the time of day at which planetary conjunctions will occur, and for performing linear interpolation. ... In the 15th century, al-Kashi also invented a mechanical planetary computer which he called the Plate of Zones, which could graphically solve a number of planetary problems, including the prediction of the true positions in longitude of the Sun and Moon, and the planets in terms of elliptical orbits; the latitudes of the Sun, Moon, and planets; and the ecliptic of the Sun.
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   Timeline of Muslim scientists and engineers

   He also invents a mechanical planetary computer which he calls the Plate of Zones, which could graphically solve a number of planetary problems, including the prediction of the true positions in longitude of the Sun and Moon, and the planets in terms of elliptical orbits; the latitudes of the Sun, Moon, and planets; and the ecliptic of the Sun. ... 1411 [mathematics] Al-Kashi writes Compendium of the Science of Astronomy.
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   Timeline of Islamic science and engineering

   He also invents a mechanical planetary computer which he calls the Plate of Zones, which could graphically solve a number of planetary problems, including the prediction of the true positions in longitude of the Sun and Moon, and the planets in terms of elliptical orbits; the latitudes of the Sun, Moon, and planets; and the ecliptic of the Sun. ... 1411 [mathematics] Al-Kashi writes Compendium of the Science of Astronomy.
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   Mathematics in medieval Islam

   In France, the law of cosines is still referred to as the theorem of Al-Kashi.
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   Islamic mathematics

   His successor al-Kashi later used a form of Newton's method to solve xP − N = 0 to find roots of N.
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   Inventions in the Islamic world

   Planetary computer: The Plate of Zones, a mechanical planetary computer which could graphically solve a number of planetary problems, was invented by al-Kashi in the 15th century.
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   Engineering in medieval Islam

   Planetary computer: The Plate of Zones, a mechanical planetary computer which could graphically solve a number of planetary problems, was invented by al-Kashi in the 15th century.
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    Inventions in medieval Islam

    Al-Jazari invented the bayonet fitting, camshaft, crankshaft, connecting rod, combination lock, bolted lock, laminate, paper model, calibrated orifice, sand casting, gate operator, linkage, water level, crank-driven and hydropowered saqiya chain pumps, double-action reciprocating piston suction pump, programmable humanoid robot band, programmable analog computer, flush mechanism, and automated servants. ... Planetary computer: The Plate of Zones, a mechanical planetary computer which could graphically solve a number of planetary problems, was invented by al-Kashi in the 15th century.

Explore the following pages on Powerset:

• Jamshīd al-Kāshī,
• Astronomy in Islam and Muslim history,
• Astronomy in medieval Islam,
• Timeline of Muslim scientists and engineers,
• Timeline of Islamic science and engineering,
• Mathematics in medieval Islam,
• Islamic mathematics,
• Inventions in the Islamic world,
• Engineering in medieval Islam,
• Inventions in medieval Islam