I introduce Seki Takakazu who was the famous Mathematician in Japan. People in those days, of course, had no idea of his legacy, but he performed great work as a representative scholar of Japan around the middle of the Edo period. (1) Char…

英訳依頼が来たので、訳してみた。もとは英訳済の下にある日本語の歌 I am thinking of the nameless people who sailed the ship on the silent blue ocean. Where had they gone? I can see the awaken arm leading them. Thanks, a piece of dreams. The …