Feature:1. 240 Functions: This scientific calculator features 240 calculation functions that can meet almost all your daily calculation needs.2. LCD Screen: This desk calculator adopts large LCD dot screen which can display numbers and results clearly.3. Two Rows: This office calculator adopts two rows display on screen, more contents and results will be displayed.4. Compact Size: This desktop calculator in light weight and compact size is an ideal choice for finance, office, accountants, school and home.5. Battery Powered: This small calculator is powered by 2 pieces of button batteries(inbuilt battery included).Specification:Item Type: Scientific CalculatorMaterial: ABSBattery: Button Battery x 2 (Inbuilt Battery Included)Battery Model: AG13Battery Capacity: 210mAhProduct Size: Approx. 16 x 8 x 1cm / 6.3 x 3.1 x 0.4in ( Manual Measurement, Slight Error May Exist ).Package List:1 xScientific Calculator