Test constructor is a universal program for testing the knowledge. The program can be used to perform testing both at home and various educational institutions. The program allows using an unlimited number of topics, questions and answers. Test constructor supports five types of questions, which gives you an opportunity to perform any kinds of tests. It is possible to use music, sounds, images and video clips in your tests. Any data can be printed out. A number of people can be independently tested on one computer, using their own names to enter the program.