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 Calculator Material: ABS Battery: Button Battery x 2 (Inbuilt Battery Included) Battery Model: AG13 Battery Capacity: 210mAh Product Size: Approx. 16 x 8 x 1cm / 6.3 x 3.1 x 0.4in ( Manual Measurement, Slight Error May Exist ). Package List: 1 x Scientific Calculator