1310 Big Print Commercial Thermal Printing Calculator, Black Print, 6 Lines/SecEasy on the eyes and ears. Choose 12 digits for normal print size or 10 digits for big print. Huge printed characters are 150% larger than other calculators. Fast 6 lines per second thermal printing calculator is whisper quiet. Features include Cost Sell Margin, Time Date feature, Two Independent Tax Keys, Item Count, Grand Total, and Change Sign functions. Package Includes: Paper Roll