Easy to read: The calculator has a large wide screen that can display 12 digits, with a scientific and reasonable 15 degree tilt design, which ensures the best readability even from a distance and reduces the error of misreading the numbers. Quality material: The school calculator is made of ABS environmentally friendly material, smooth and durable. It has a silicone non-slip pad on the bottom, which can stabilise it on the desktop and not easy to move. Note: Batteries are not included! Comfortable keys: The mechanical calculator is made of simulated mechanical keyboard, the unique typewriter shape and crisp sound will bring a pleasant feeling. It's also not easy to make mistakes when you use the large round keys. Wide application: The imitation mechanical keyboard calculator measures 145mmx105mm, easy to carry. Our product is silent and no voice announcement, so you can use it in schools, libraries, offices, study rooms, etc. with confidence. Ideal gift: The gradient colour appearance of the basic office calculators for desk is fashionable and exquisite, with super high attraction, perfect as a gift or reward for children, students, friends and so on during important festivals.