 Since 2000, it has been used by over 4,300 professors, 1,200,000 students, at 1,300 colleges and universities worldwide.Aplia’s basic product includes online homework assignments that professors can assign to students in accounting, business communication, business law, developmental reading, economics, finance, marketing, philosophy, statistics, and taxation.While the basic premise behind each course is the same, course materials vary; in many cases, Aplia problem sets are designed to complement specific textbook from a variety of publishers.