Features: Made of high quality material, durable and stable for us to use. 12 digits make the calculator most useful for large calculations. Suitable for any businessman, worker, teacher, student or anybody that needs to make any sort of calculation from time to time. Extra-large LCD Screen and tilted screen of calculators is so easy and accurate screen reading. Provides easy-to-read numbers for maximum viewing comfort. The calculators adopt scientific big button design in line with the use of human habits and comfortable for touch. Perfect gifts and tools for engineering, polytechnic and science students. Specification: Model: CT-512 Material: Plastic Power: 1 * LR44 Button Battery (Included) Size: 13*13cm/5.1*5.1in Package Size: 13*13*2cm/5.1*5.1*0.8in Package Weight: 200g/7.1oz Package List: 1 x Calculator