EZ-Pedia

The Easy to use OPEN encyclopedia

Google
 

EZ Pedia » Science » Mathematics » Mathematicians » Hipparchus










Section Index

  • Biography

  • Influences

  • Achievements and Awards

  • Publications of Importance

  • Inventions or Contributions to Knowledge

  • Other Areas of Interest

  • Internet Links of Significance
    		•

    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.


    Influences

    Incomplete


    Achievements and Awards

    Incomplete


    Publications of Importance

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


    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


    Other Areas of Interest

    Incomplete


    Open Site - Encyclopedia Project

    Open Site - Become an Editor