Primisonline.com was founded in 1990 in order to provide better educational tools for students. The curricula is constantly changing and so it’s not the books and materials available, that is why primisonline.com has come with the idea of improving the textbooks the students use. As a matter of fact, they have introduced the idea of making books that meet the particular needs each school has. They make some kind of adaptation to existing books, reorganize the chapters and contents, so that the students can take the best out of the textbooks. On the main page of the web site there is a navigator bar containing diverse links. This latter include: allied health, architecture and construction, biological science, business and economics, computer and information technology, earth and environmental science, engineering and computer science, English as a second language, fire and emergency services, health and human performance, mathematics and statistics, medical, etc.