Ordering Unit: 1/EA 12 Digit Portable Palm/Desktop Commercial Printing Calculator 12 digit calculator is perfect for the occasional user, especially in a small office or home office setting. Features a large LCD display for easy viewing. Contemporary black and white styling compliments any modern desktop décor. Environmentally friendly, this calculator is manufactured with 25% recycled plastic. You can count on the fast and reliable 2.0 lines-per-second ink roller printer. Cost/sell/margin keys make for quick and easy profit margin calculations (simply enter two variables and the third automatically appears). Holds standard size paper on swing out arm or small roll inside case for ultimate portability. Other functions include: automatic tax keys, date/non-add key, percent key, backspace key, and 3 key independent memory. Operates on 4 AA batteries (not included) or on the included AC adapter. 2 year manufacturer's standard warranty. SPECS Print Type: Ink Roller Ribbon/ Roller Type: IR40 Size (in.): 8 x 4 x 1.75 Product Color: White Weight (lbs.): 0.55 Warranty (yrs.): 2 Power Source: AC/DC Battery Type: 4 AA Calculator Stand: MS100 Paper Type: 2 1/4" Print Color: Black Number of Digits: 12 Digit Size (mm): 12 Display Type: LCD Print Speed (lines per second): 2.0 Accepts 2-Ply Paper: No AntiMicrobial: No Recycled Plastic: 25% Time/Date Feature: No USB Capable: Communicates with PC: No Help/Program Key: No Reprint Function: No Text Printing: No Installment Loan Calculations: No Amortization: No Future/Present Value: No Days Between Dates Calculation: No Time Calculations: No Cost/Sell/Margin Keys: Yes Mark Up Key: No Two Independent Tax Keys: No Automatic Tax Keys: Yes Item Count: No Grand Total: No Independent Memories: Yes: 3 Key Auto Averaging: No Sigma: No Delta Percent: No Square Root: No Change Sign Key: No Percent Key: Yes Print Size: Standard