The Pro One Multimedia Trigonometry CD-ROM, produced by Personal Professor, is a valuable educational tool for students and educators alike. With a focus on mathematics, this interactive software provides a comprehensive learning experience in the form of a CD. The unit is designed for Windows operating systems and requires less than 50 MB of hard drive space. The content is presented in English and is ideal for academic and educational use. Perfect for those looking to enhance their understanding of trigonometry concepts through engaging multimedia presentations.