Algorithms are precise step-by-step techniques for solving problems, guaranteeing a correct answer. Heuristics are quick "rule of thumb" methods that help solve everyday problems faster.

Zaw Thiha Tun is currently an investment advisor for PI Financial Corp. He is also a financial writer on a wide variety of topics. LIFO is banned under IFRS due to potential financial distortions.

Euny Hong is the former supervising editor at Investopedia.com. She is also the author of two critically-acclaimed, published books. Dr. JeFreda R. Brown is a financial consultant, Certified Financial ...