A Hard Day's Knight (Nightside)

Nothing but extraordinary. This Emporio Armani watch features a black ceramic bracelet and round stainless steel case. Black chronograph dial with silvertone Roman numerals, logo, date window and three subdials. Quartz movement. Water resistant to 30 meters. Two-year limited warranty.

What's better than a luxe watch by GUESS? One that comes with three sparkly leather straps in yummy bubblegum hues.

The sleek TI-Nspire CX handheld is the thinnest and lightest TI graphing calculator model to date

Overlay and color-code math and science concepts on digital images or your own photos

The installed TI-Nspire Rechargeable Battery is expected to last up to two weeks of normal use on a single charge

Color-code equations, objects, points and lines on the full-color, backlit display

Graph and rotate (manually and automatically) 3D func ...