Office Hours: 9 am to 5 pm (Mountain Daylight Time) 11 am to 7 pm (Eastern)
Elizabeth can be reached by phone at (303) 702-5420

Mailing Address:
PO Box 388
Niwot, CO 80544-0388
USA

Please use this page to contact Elizabeth with questions, comments, or to sign up for her newsletter, LilBits of Numbers.