Such a calculator designed with 8 digits display is enough for daily numerical calculation. The calculator, which has large easy-to-read LCD display, allows you to read the data clearly and effortlessly. Featuring multi-functional 2 in 1 design, this calculator is helpful for basic math operation, but also can be used as ruler with 15cm scale. The calculator, which has compact size and light weight, is portable and can be put into bag or pocket for easy carry and storage. Made of high quality ABS, it is lightweight, wear-resistant and durable to use. The length of this product is 15cm and width is 5cm. Whether you're a student or professional, it's reliable and easy to use. Perfect for everyday use at home, school, or the office. Item Name: Ruler Calculator Material: ABS Maximum Display Bits: 8 Digits Scale: 15cm Battery: 1 x Button Battery (Included) Features: High Accuracy, Portable, Sensitive Buttons Size Details: L: 15cm/5.91", W: 5cm/1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Calculator