Features: The protective case is hard and can prevent damage to the calculator. It is sturdy and professional grade scientific calculator. 12 digits widescreen display, 2-line display, displaying both time input and calculation results. Professional level scientific calculator with 240 scientific functions. Easily handle statistical calculations for variables 1 and 2, as well as three angle modes (degrees, radians and divisions) and scientific/engineering symbol modes. Battery powered, reliable to use. The sliding protectiveshell has a hard protective that prevents scratches, collisions and dust. Perfect for school students, college students, and professionals. Only calculator, excluding other accessory demonstrations in the picture! Specifications: Item: 240 Functions Students Calcluator Size:approx 163x83x16mm/6.42x3.27x0.63in Color: White/ Pink/ Blue/ Purple Weight:140g Material: ABS Digits:12digits Battery: Button Battery Powered Package Includes: 1 x Calculator note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment