Features: Protective hard case keeps calculator from being damaged,Robust, professional grade scientific calculator. 12-digit widescreen display.It has 2-line display shows entry and calculated result at same time. Professional grade scientific calculator with 240 scientific functions.Easily handles 1 and 2 variable statistical calculations and three angle modes (degrees, radians, and grads) and scientific/engineering notation modes. Features battery supply for reliable use. Slide-off protective hard case to prevent it from scratches, bumps and dust. Ideal for high school students, college students and professionals. Calculator only, other accessories demo in the picture is not included Specifications: Color:As picture Quantity:1PC Battery:2* AAA battery (Not included) Size:8x15x1.5cm Material: Plastic Package Include:1PC Calculator Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.