Large 1-line LCD display, 10+2 digits 146 built-in functions Battery power 1 memory Scientific calculator with 146 built-in functions and large 1-line LCD display. Design Control type Buttons Cover No Product colour Black, Purple Type Scientific Form factor Pocket Performance Symbolic notation Fraction, Pi, Square root Negation key Yes Display Digit comma separator format Standard (3 digits) Digit comma separator Yes Backlight display No Display number of lines 1 lines Display tilting No Display type LCD Digits 12 digits Memory Memory registers 1 Power Battery type LR54 Power source Battery Weight & dimensions Weight 68 g Height 13 mm Depth 127 mm Width 73 mm