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 angles (degrees, radians, and divisions) and scientific/engineering symbols. Powered by batteries, reliable to use. The sliding protective case is hard and can prevent scratches, collision, and dust. Very suitable for high school students, college students, and professionals. Only a calculator, not including other accessory demonstrations in the picture! Specifications: Item: Functions Students Calcluator Features: 12 Digits 240 Functions Size:approx 162x80mm/6.38x3.15in Color: Mint Green/ Pink/ Blue/ Purple1/White Weight:130g Material: ABS Digits:12digits 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 Package includes: 1PC Calculator