Casio Solar Desk Calculator Dual Power - Black

It has a large and clear 12 digit display and is dual powered (Solar with Battery Backup).

It performs all the major basic functions + more advanced ones. Among those are Tax and currency functions where the variable rates are set by the user. In addition it has Mark up, Function command signs ,Sign change key, 3 digit comma markers and 4 constants. The display is tilted to give an easy viewing angle and it has Auto Power off.

Plastic Keys