/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: azirpaul https://cdn.slidesharecdn.com/profile-photo-azirpaul-48x48.jpg?cb=1523438601 To those who ask what's the infinitely small quantity in mathematics is, we answer that it is actually zero. Hence there are not so many mysteries hidden in this concept as they are usually believed to be. -Leonhard Euler-