Top: Science: Mathematics: Mathematicians: Hipparchus



[ history ]

Section Index

  • Biography

  • Influences

  • Achievements and Awards

  • Publications of Importance

  • Inventions or Contributions to Knowledge

  • Other Areas of Interest

  • Internet Links of Significance
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    [ history ]

    Biography

    Hipparchus of Nicaea or Hipparchus of Bithynia was born in 190 BC in the town of Nicaea in Bithynia (now the city of Iznik in north-western Turkey)and lies on the eastern shore of Lake Iznik.
    He died in 120 BC. He spent a lot of his life in Rhodes.
    He was an mathematician and astronomer.


    [ history ]

    Influences

    Incomplete


    [ history ]

    Achievements and Awards

    Incomplete


    [ history ]

    Publications of Importance

    Only one work by Hipparchus has survived, Commentary on Aratus and Eudoxus.


    [ history ]

    Inventions or Contributions to Knowledge

    Trigonometry:
    Produced a table of chords or a trigonometric table.
    Postulated he invented trigonometry.
    Introduced the division of a circle into 360 degrees into Greece.
    Calculated the length of the year to within 6.5 minutes
    Discovered the precession of the equinoxes


    [ history ]

    Other Areas of Interest

    Incomplete 



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