XtraMath appreciates the generous support of our donors and:

Allovus Design provided the visual and interaction design for our web site.

We would also like to thank all of the teachers and parents and students that have used XtraMath and provided us with valuable feedback, and the following individuals for their assistance and support: Amy Barber, Haley Nichols, Hugh McMillan, Jeff Barr, Jen Shetterly, John Woodward, Kurt Messersmith, Mark Jewell, Patricia Rush, William Cady.