The SoftKey Teach Yourself Calculus CD-ROM is a great learning tool for both Windows 95 and Mac users. It offers a self-paced way to study calculus, and since it only needs 8 MB of RAM and 25 MB of space, it’s easy to run. The lessons are interactive and help make tough concepts easier to grasp. It’s compact enough to use anywhere, and the English interface makes it simple to follow. It’s perfect if you're looking to brush up on your math skills.Please check all the pictures for every angle and any flaws before buying this item. You'll get exactly what's in the pic. I ship fast from a smoke-free home.