The Edmark Mighty Math Grades 3-6 Number Heroes & Calculating Crew 2-CD set is an academic educational software designed for Macintosh and Windows operating systems. It includes mathematics resources for students in grades 3-6, with a focus on numbers and problem-solving skills. The software is easy to use and engaging, making it a valuable tool for educators and students looking to enhance their math abilities. With a minimum of 8 MB of RAM and 8 MB of hard drive space, this software is accessible and efficient for use on a single device.