Obsession

All-American and all-purpose, by Tommy Hilfiger. Watch crafted of stainless steel bracelet and round case. White chronograph dial with texture dinner dial features black numerals at markers, three black and blue subdials, luminous hands and logo. Quartz movement. Water resistant to 50 meters. Ten-year limited warranty.

Link representations - Manipulate the properties of one and observe instant updates to others without switching screens

Includes an easy-glide Touchpad that works more like a computer with a mouse

Explore individual representations, one at a time, or as many as four on the same screen

See multiple representations of a single problem - algebraic, graphical, geometric, numeric and written

Grab a graphed function and move it to see t ...