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 high school students, college students, and professionals. Only calculator, excluding other accessory demonstrations in the picture! Specifications: Item: 240 Functions Students Calcluator Size:approx 16x8cm/6.3x3.54in Color: White/ Green/ Pink/ Blue Weight:130g Material: ABS Digits:12 digits Battery:Need 2AAA Batteries（Not Included） 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.