Software based Printing Calculator. Professional usage by keyboard only handling. Printable, storable and copyable Tape. Memory function with contants display. VAT (Turnover) calculation with two different factors (gross/net calculation). Currency conversion with multiple Exchange Rates. Square Root. Reciprocal computer. Percantage. Up to 99 additonal conversions possible (e.g. measurements and weights (Anglo-Saxon --> Metric and vice versa).