The Initiative Desktop Calculator has been designed for the desk but small enough to use on the go | Dual powered - Solar operated with battery back-up for low light conditions | Features a tilting 12 digit LCD display screen to minimise glare | Calculator functions include percentage, square root, grand total memory, tax, sales, clear last digit and 3 key memory recall functions | | Auto power off | 12 Digit | Dual Power | Plastic Keys | Adjustable Display