Casio Handheld Printing Calculator

12-digit printing calculator with large LCD prints 1.6 lines per second. Offers cost/sell/margin functions, tax and currency exchange, decimal selector (0 - 2), function command signs. Provides profit margin percentage, three-digit comma markers, 5/4 rounding, simple algebraic logic and independent memory. Automatically switches off. Calculator includes AC adapter. Also operates on four AA batteries (sold separately).