Faith in the Fight: Religion and the American Soldier in the Great War

Take on any adventure with this stylish black sports watch from G-Shock. Black resin strap and round case. Shock-resistant, digital display dial with solar power, atomic timekeeping, tide and moon graphs, backlight with afterglow, world time, alarm, stopwatch and logo. Quartz movement. Water resistant to 200 meters. One-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 ...