MULTIPLE CALCULATING FUNCTIONSThis compact calculator allows for currency conversion, professional percentage calculation, cost/sell/margin, and features such as mark up with percentage button, quick correction button, sign change and input buffers. Helpful memory: 3 button memory makes it easy to calculate the calculation. Clear display: the 12-digit LCD display with calculator command display and thousands of divisions allows efficient working 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. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.