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. Writing Tablet: This office calculator is designed with 6 inch writing tablet, allowing you to take notes while calculating, calling and meeting. 4. Two Rows: This desktop calculator adopts two rows display on screen, improving your study and work efficiency. 5. Compact Size: This function calculator in light weight and compact size is an ideal choice for finance, office, accountants, school and home. Specification: Item Type: Scientific Calculator Material: ABS Battery: Button Battery (Inbuilt Battery Included) Battery Model: CR2025 Number Of Batteries: 1 Battery Capacity: 150mAh Product 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 Calculator1 x User Manual1 x Stylus