Mechanical Calculator Button Portable Desk Calculator for Home School Office [Large Display]: The desk calculator adopts 15 degree raised humanized display, extra large high quality display, clear readings and good visibility, and the numbers are at a glance. [Round Buttons]: The office calculator is made of high quality function buttons with materials, computer buttons with high keyboard, comfortable hand feel and accurate calculations. [Portable and Lightweight]: Standard stationary calculators are compact and lightweight, easy to carry, have high sensitivity and fast key response, which improves work efficiency. [Anti Slip]: There are anti-slip pads on the bottom four corners of the calculator, which can protect the desktop from damage and prevent the calculator from slipping and falling, beautiful and practical. [Wide Application]: The computer calculator for financial office is suitable for home, office, business or accounting use and very suitable for teaching mathematics, science courses and more. Specification: Material: ABS Size: 16 cm x 11 cm x 2 cm/6,30 inch x 4,33 inch x 0,79 inch The package includes: 1 Calculator