I used a few images from Microsoft in my math vocabulary files. © 2008 Microsoft Corporation. All rights reserved.

Clip Art, unless created by myself, was licensed from Hermera.com © 2008 Hemera Technologies Inc., a wholly-owned subsidiary of Jupiterimages Corporation. Big Box of Art, 650,000 Images. All rights reserved.

Various hand-drawn graphics were created by Donna Guidry © 2006 Donna Guidry. All rights reserved.