【14-digit display】: Large screen and fonts make the calculator more accurate.
【Dual power supply】: solar and AAA batteries.
【Big buttons】: The buttons are made of durable plastic. The numbers are clear and feel good.
【Easy to carry】: The foldable design doesn't take up storage space, so you can take it anywhere
【Quality service】: If you find any problems in receipt and use, please contact the seller to get a satisfactory solution.