10 Digit display. 131 functions including statistic functions. Statistical calculation eg. mean/standard deviation. Complex number calculations. N-Base: Bin, Oct, Dec, Hex. Constant Calculation. Sturdy and hard-wearing plastic keys. Slide on hard case included. Stylish and contemporary piano black design. Battery powered (2 x LR1130 supplied). WxDxH: 75x144x10mm.