DescriptionThe product is a wonderful calculator, which is made of PS material, it is durable and safe. it is easy to use and carry, suitable for school and office etc. It provides the convenience for you to calculate those complex numbers. large size screen, you will see the information easily.Features- Color: Blue - Material: PS - Size: Approx. 12.7 x 7.2 x 1.8 cm. Display digit 12 pcs Power supply: button battery- Made of premium PS material, it is durable and practical. - Large size screen, keys are clear, and duplicate rows, it is convenient to read, it saves your time and improve study efficiency. - Two hundred and forty problems is operation functions for you - Teaching material synchronization design is practical, it applies to the mathematical olympiad, competition, accountant test etc. - With button battery, you will use it easily. - Perfect for school, home and office etc.