Portable Electronic Calculator With Tilt-Up Display Oversized calculator measures 7.5 inches tall and 5.5 inches wide - fits easily anywhere Large buttons are easy to use and easy to see - great for the seeing impaired Display screen can flip up or lay flat for easy viewing from any angle - great for office desk Has an auto power on and off switch to save electricity and power Multiply, divide, subtract, add, find percentages, find square roots and more with ease!