The Calculus PC CD by Softkey 1995 is a vintage software designed for mathematics enthusiasts. The CD format includes the Acrobat Reader for accessing the manual. This software is compatible with PCs and Macs, requiring a minimum of 64 MB RAM and a processor speed of 66 MHz. It is suitable for use on Microsoft Windows 3.x, Macintosh, and Windows 95 operating systems. With the ability to perform calculations and solve problems in calculus, this product is a valuable tool for students and professionals in the field of mathematics.