The desktop calculator large display is suitable for any merchant, worker, teacher, student or anyone who needs to perform any calculations from time to time.
Calculator, simple use of the ergonomic habits, scientific large button design, comfortable touch.
As family or friends, perfect for home, school or office great ideal gift.
The basic calculator is a versatile mechanical calculators, large 27-button keypad make large calculations the most useful desktop calculator large screen monitors for any teacher, student or anyone who needs to do any type of time to time.
15 ° angle, the more comfortable the keycap concave angle, relieve fatigue.