Eino's attempt to follow the lesson was often interrupted by a sound or sight from outside the window. Nonethless, he had miraculously managed to note most of the lecture and explanations so far. His hand was beginning to cramp, and he was almost positive he hadn't brought a spare bottle of ink. "So..." He began with his hand raised "how exactly do we find the numbers so that we can, umm, equate?" He asked nervously. Wouldn't it take days, months, years, maybe, to gather all that information? That better not be homework.