Specification: Name: Calculator Size: 16.5*8.8*2.3cm/6.5"*3.5"*0.9" Material: plastic Color: dark blue Describe: 1: Wide-screen display, to meet the needs of daily large-scale computing, large-screen and large fonts to clearly observe the calculation results. 2: The acrylic sheet protects the display panel, protects the screen, and is not easy to scratch. 3: Using plastic buttons, the numbers are clear, comfortable, and not easy to worry about. 4: Use button battery, sufficient power and long service life. 5: Slide the protective cover, the upper cover can be split, slide up and down, unstoppable. 6: It has various functions, functions, standard deviation, coordinate conversion, data editing, continuous calculation, memory function, error correction function, etc. Package includes: 1 x calculator Notes: Due to different screen resolutions, the color may be slightly different from the actual product, please allow. If there is any problem after receiving the package, please let us know in time to help you solve the problem as soon as possible, thank you. Your approval is our greatest satisfaction. High quality plastic and acrylic, durable. Button battery powered, long service life. The large-screen display is clear and comfortable to use. A variety of functions to meet daily large computing needs. Sliding protective cover, can be split.