The Educator Intermediate Overhead Calculator: Companion to Texas Instruments Math Explorer Calculator<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Color coordinated keyoard with extra large display</li><li>Includes Protective carrying case and storage pouch</li><li>Use with any standard school overhead projector</li><li>Guide with key functions and instructions for use</li><li>Solar Powered</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Mte97TieL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FLC0J977L.jpg" noproxy>