徐儷寧期末考Math.PI與Math.E放入計算機
徐儷寧期末考Math.PI與Math.E放入計算機 + 7 8 9 - 4 5 6 * 1 2 3 / 0 . = C ** PI e https://www.youtube.com/watch?v=I5kj-YsmWjM Build this JS calculator in 15 minutes!