Easy to use design This calculator has a large screen for convenient and comfortable daily use. Its tough title display screen can even improve visibility from any angle.The large button is comfortable and durable, suitable for use by anyone of any age group, including children.The sturdy and durable structure of the Office calculator uses a hard plastic body, which was built with consideration for daily use. The 6x4 size ensures comfortable use.Standard Functions This calculator has 6 functions, including addition, subtraction, fractions, percentages, and tax conversions, which can be efficiently executed for everyone.Dual power supply, using batteries and solar energy, supports continuous use every day.Large LCD displayThe 12 bit LCD monitor is very suitable for use on a desktop at home or in the office.Enhanced large display screen: Specially used to modulate pigments for the display screen, greatly improving its clarity.Ergonomic designThe large and clear display screen makes it easier to view.The 30 tilt design is more convenient for people to watch.The ergonomically designed PC touch keys and wide keyboard with large buttons provide a super comfortable feel and increased pressure sensitivity.Multipurpose keys simplify financial calculations, save time, and improve efficiency.