Scientific Pocket Black Cover 10 digits LCD Memory registers: 1 Battery LR54 The Aurora AX-501 is a great value for money entry level scientific calculator featuring a clear 10 digit LCD display, a very durable and robust case, and a total of 131 functions including Complex number calculations and a very useful BIN/HEX/OCT/DEC base conversion function. Design Control type Buttons Cover Yes Product colour Black Type Scientific Form factor Pocket Display Second display No Backlight display No Display number of lines 1 lines Display tilting No Display type LCD Digits 10 digits Memory Memory registers 1 Storage media type Not available Power Battery type LR54 Number of batteries supported 1 Power source Battery Weight & dimensions Weight 94 g Height 145 mm Depth 14 mm Width 78 mm