Thin desktop business cost margin tax calculator

12 digit calculator is perfect for desktop use either at home, store or in the office.

Material: ABS, acrylic,aluminum metal cover and durable plastic keys.

Features a large LCD angled display with special cost / sell / margin and tax function, 2 lines display.

Other functions: delete key, arrow keys, percent key, automatic power off, and hybrid power supply (solar/battery backup).