More on Amazon.com : http://www.amazon.com/gp/product/B0002AUVP2?tag=thefatkidin06-20 <br /> <br />Casio Inc. Classpad 330 Graphing Calculator <br /> <br />Lets you enter equations using traditional textbook format <br />Pen Touch operation including drag-and-drop <br />3D graphing trace zoom rotate functions <br />Expression processing text statements and e activity functions <br />160 By 120 pixel display with iconic menu interface
