What are the greatest common factors between you and your company?「グローバルビジネスで役立つ数学(64)共通部分の要素を求める(英語版)」http://frankyoshida.com/experts-at-mathematics/?p=6550
Are you sure about the difference between rational and irrational numbers?「グローバルビジネスで役立つ数学(73)有理数と無理数の関係(英語版)」http://frankyoshida.com/experts-at-mathematics/?p=6687