隻是積分吧，積分的概念一千前數學家就有

來源: 於 2016-06-03 16:32:43 [舊帖] [給我悄悄話] 本文已被閱讀：次

According to Leibniz's notebooks, a critical breakthrough occurred on November 11, 1675, when he employed integral calculus for the first time to find the area under the graph of a function y = ƒ(x).