The SoftKey Teach Yourself Calculus Mathematics CD is an interactive learning software designed for those looking to improve their mathematical skills. It comes in CD format and is compatible with both Windows and Macintosh operating systems. The minimum requirements for this software include 4 MB of RAM, 13 MB of hard drive space, and a processor speed of 80386. With a sleek design and easy-to-use interface, this product from SoftKey is perfect for students and professionals alike who want to brush up on their calculus knowledge.