12-digit thermal printing calculator offers a two-color backlit, liquid crystal display (LCD). Prompt Logic's interactive display prompts you for input to calculate installment loans, currency conversion, cost/sell/margin, tax settings and to program text. Help key explains the various features either on the display or on the tape. Offers a quiet high speed 8 line-per-second alphanumeric printing. Features reprint function, six user-defined printed messages, revolving screen saver, time/date, two tax keys, sigma, grand total and four-key memory.