Print/Display Calculator features large 12-digit liquid crystal display (LCD), one-color printing and financial calculations. For easy loan calculations, just enter amount, term and interest rate to solve for payment. Change any variable and solve for amount, term or payment. Functions include cost-sell-margin keys, tax +/- keys, three-key independent memory, date/non-add, subtotal, backspace, total key, percent key and automatic constants. Calculator holds standard-size paper on swing-out arm or small roll inside case for ultimate portability. Offers AC/DC operation with automatic power down. Prints 1.7 lines per second. Includes adapter, but four AA batteries are sold separately.