Ordering Unit: 1/EA Heavy-Duty Commercial Printing Calculator with Wireless Data Relay 12 digit calculator is perfect for the everyday advanced user, especially in a busy office setting. Heavy duty durability is perfect for power users. Works both as a stand-alone desktop printing calculator or connected to your PC allowing you to send your calculation results directly to your computer program for easy analysis in spreadsheets, can also be used as a numeric entry keypad. Made with 45% recycled plastic. Contemporary black styling compliments any modern desktop decor. You can count on the fast and reliable 4.6 lines-per-second ribbon printer. Cost/sell/margin keys make for quick and easy profit margin calculations (simply enter two variables and the third automatically appears). Other functions include: two independent tax keys, time/date, change sign key, item count, fully selectable decimal settings, selectable rounding switches, units price mode, grand total key, percent key, sigma key, backspace key, date/non-add key, and 4 key independent memory. Includes wireless USB. Compatible with Windows 98/98SE/ME/2000/XP/7 and Apple based operating systems. AC Power. 3 year manufacturer's standard warranty. SPECS Print Type: Ribbon Ribbon/ Roller Type: 7010 Size (in.): 12.25 x 8.5 x 3 Product Color: Black Weight (lbs.): 3.65 Warranty (yrs.): 3 Power Source: AC Battery Type: AC Only Calculator Stand: LS125 Paper Type: 2 1/4" Print Color: Black and Red Number of Digits: 12 Digit Size (mm): 17 Display Type: Fluorescent Print Speed (lines per second): 4.6 Accepts 2-Ply Paper: Yes AntiMicrobial: No Recycled Plastic: 45% Time/Date Feature: Yes USB Capable: Communicates with PC: Yes 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: Yes Automatic Tax Keys: No Item Count: Yes Grand Total: Yes Independent Memories: Yes: 4 Key Auto Averaging: No Sigma: Yes Delta Percent: No Square Root: No Change Sign Key: Yes Percent Key: Yes Print Size: Standard