The Trigonometry Grades 10-12 Test Preparation Software by Student Services is a comprehensive tool designed for high school students preparing for PSAT, SAT, and ACT exams. The CD format makes it compatible with various operating systems such as Microsoft Windows 7, XP, and Vista, allowing students to study on different devices without restrictions. With a focus on academic education, this software provides essential resources in English language to help students improve their math skills and achieve success in their tests. Made in the United States, this software is a valuable asset for students looking to excel in their studies.