Graphing Math/Science Calcualtor,4"x7-7/8"x1",Blue/White, Sold as 1 each Batteries: 4 x AAA , Color: Blue, Dimensions: 0.6" Height x 3.9" Width x 7.8" Depth, Display Screen: 3.5" , Power Source: Battery, Standard Memory: 20MB Sold as 1 each