Takebe Kenko

From Wikipedia, the free encyclopedia

Takebe Katahiro (jap. 建部 賢弘; * 1664; † 1739) or Takebe Kenkō was a Japanese mathematician. He was student of Seki Takakazu and extended the development of the Enri (円理, "circle principle") - a crude analogon to the western calculus. Using some of its results he managed to compute 41 digits of π in 1723.

[edit] See also

• Wasan

[edit] External links

• Takebe Katahiro Entry of the Encyclopedia Britannica