DESKTOPSize. Measure: 7.4" x 5.5" x 0.3". This easy to use calculators takes up little space on your desktop and fits easily into your briefcase or desk drawer. BRILLIANT DESIGN. Standard 8 Digits display. Auto power off. Full function memory. Adjustable title display. Large keypad layout can reduce mistakes number entering. LONG LASTING POWER. Powered by battery. Battery included. The calculator will function even in a dim place. Durable plastic keys allow for constant use without wear and tear. SIMPLE & STURDY. Durable ABS plastic material. Reasonable configuration and comfortable. Be sure to always carry with you a handy calculator for all of your daily operation task! VERSATILE. Great for home, office, and on the go. Performs common math as well as various financial functions. Perfect for both business and students.