“Secrets of Mental Math” by Arthur T. Benjamin is a comprehensive textbook on mathematics designed for adult learners and those in further education. This DVD and guidebook combo offers a unique approach to understanding and mastering mental math techniques, making it an ideal resource for individuals looking to enhance their problem-solving skills. With a focus on general mathematical concepts and presented in English, this educational material provides insights and strategies for improving one’s ability to perform complex calculations in their head. Perfect for anyone seeking to expand their mathematical proficiency and learn the secrets of mental math. Location: SDAT