240 Functions: This scientific calculator features 240 calculation functions that can meet almost all your daily calculation needs.LCD Screen: This desk calculator adopts large LCD dot screen which can display numbers and results clearly.Writing Tablet: This office calculator is designed with 6 inch writing tablet, allowing you to take notes while calculating, calling and meeting.Two Rows: This desktop calculator adopts two rows display on screen, improving your study and work efficiency.Compact Size: This function calculator in light weight and compact size is an ideal choice for finance, office, accountants, school and home. Item Type: Scientific CalculatorMaterial: ABSBattery: Button Battery (Inbuilt Battery Included) Battery Model: CR2025Number Of Batteries: 1Battery Capacity: 150mAhProduct Size: Approx. 15 x 9 x 2cm / 5.9 x 3.5 x 0.8in ( Manual Measurement, Slight Error May Exist ) Package List 1 x Scientific Calculator 1 x User Manual 1 x Stylus