Multiple Calculation Functions This compact calculator enables currency conversion, professional percentage calculation, cost/sell/margin and offers functions such as mark up with percentage key, quick correction button, sign change and input buffer. Helpful Memory: The 3-button memory facilitates extensive calculations. Clear display: The 8-digit LCD display with calculation command display and thousands of subdivisions allows efficient work at the desk. Power supply: In addition to the environmentally friendly solar/battery operation, this calculator has a memory protection battery and an automatic switch-off. Advantageous features: durable plastic buttons and an aluminium front stand for high-quality workmanship. The non-slip rubber feet are particularly practical.