The mission of the Eisenhower National Clearinghouse for Mathematics and Science Education (ENC) is to identify effective curriculum resources, create high-quality professional development materials, and disseminate useful information and products to improve K-12 mathematics and science teaching and learning.

A leading center for mathematics and mathematics education on the Internet. Operating under Drexel\'s School of Education, our mission is to provide resources, materials, activities, person-to-person interactions, and educational products and services that enrich and support teaching and learning in an increasingly technological world.

An amusement park of math designed for fun.

CatEdu provides educational software for children 3-18 years old. We also offer a limited amount of software for College/University students. Our main emphasis is to provide software for the sciences. We offer software that teaches science, math, chemistry, and physics.