Feature 1MULTIFUNCTIONAL DESIGN: Calculator includes trigonometric functions, exponent calculations and other scientific operations for students to use in exams. 2240 FUNCTIONS: Multifunctional scientific calculator has 240 functions to meet various calculation needs, suitable for students. 312 BIT CALCULATOR: Scientific calculator comes with a display that shows 12-bit calculations on two lines for a reliable experience. 4SLIDING HARD COVER: Function calculator comes with a sliding hard cover, the sliding design protects the keys from damage. 5EASY TO USE: Calculator has an easy to use interface for students to get started quickly and calculate efficiently.Item Type: Scientific CalculatorMaterial: PlasticBattery Type: AAA battery x2 (Battery Not Included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Scientific Calculator (Battery Not Included)