Do you offer a book I can use to prepare for the test? October 14, 2025 09:35 Updated We only offer digital products, including practice material and mock tests. Related articles How can I prepare for the test? Should I purchase a mock test? How long does it take to prepare for the test? Do the tests match the difficulty of the practice exercises? The OMPT-B practice material mentions a scientific calculator on the topic of trigonometry. How do I answer those questions on the test?