BRILLIANT DESIGN. LCD display. Measure: 4" x 2.25" x 0.3". 8 Digits display. Auto power off. Full function memory. Powered by batteries. Battery included. MINISize. Pocket calculators, smallSize is suitable for your business travel use. This easy to use calculator takes up little space on your desktop and fits into your briefcase or desk drawer. PROTECTION. Comes with PP flip hard shell cover to protect keyboard and screen from scratching. Reasonable configuration and comfortable. LONG LASTING POWER. Battery included. The calculator will function even in a dim place. Durable plastic keys allow for constant use without wear and tear. VERSATILE. Great for home, office, and on the go. Performs common math as well as various financial functions, Perfect for both adults and students.