Hellenistic Greek mechanician and mathematician. Dates of birth and death unknown. He is believed to have been active in the 1st century. There have been various theories about his date, but in recent years it has been determined that the description of a lunar eclipse in Chapter 35 of the Dioptra dates to 62 AD. His many works can be broadly divided into those related to mathematics and those related to mechanics. His representative work in the field of mathematics is Metrica, which describes methods of calculating the area and dividing various figures and solids using geometry, such as the famous Heron's rule (triangles). Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ヘレニズム期のギリシアの機械学者,数学者。生没年不詳。1世紀に活躍したとされている。その年代については諸説があったが,近年《照準儀Dioptra》第35章の月食の記述が62年のものであることが判明している。 彼の多数の著作は数学系列のものと,機械学系列のものに大別することができる。数学の分野で代表的な著作は《測量術Metrica》で,ここでは例えば有名な〈ヘロンの公式〉(三角形)のような幾何学を用いた各種の図形・立体の求積法,分割法が述べられている。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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