《mathematics》unknown (e.g. in an equation)
《mathematics》element (of a set)
yuan (monetary unit of China)
New Taiwan dollar
Yuan dynasty (of China; 1271-1368); Yüan dynasty; Mongol dynasty
「元」 has other readings with different meanings.
彼は元サッカー選手なんだよ。
He's a former soccer player.
集合の元を一つ取り出して性質を調べた。
We took one element of the set and examined its properties.
元の場所に戻しておいてね忘れないで。
Please put it back in its original place.