①. The Calculator is for efficient and accurate calculations, for all your mathematical challengings ②. Its user friendly design and comfortable typing experience, and practical tool for various users. ③. Lightweight calculator fits in your pocket and comes equipped with basic arithmetics, scientific computations, and statistical functions. ④. Whether you're a student, professional, simply in need small calculator, this product is suitable for all. ⑤. Its attention to detail as addition to any workspaces productivity calculator. ⑥. Specifications: Size：about 85X137MM/3.35x5.39in ⑦. Color：As pictures ⑧. Digits：12 Digits ⑨. Battery：Need 1AAA Battery（Battery Not Included） ⑩. Package Includes: 1PC Calculator ⑪. note: Due to the problem of lighting effects，there might be tolerances in product, please understand. ⑫. Please allow 1cm errors due to measurement.