| +/- Switch Key | Yes |
| Amortization | No |
| Backspace Key | Yes |
| Base Number Calculations | No |
| Battery Information - Batteries | 4 x AA |
| Battery Information - Power Source | AC Supply, Power Adapter |
| Bond Calculations | No |
| Color | Beige |
| Complex Number Calculations | No |
| Confidence Interval Calculating | No |
| Cost/Sell/Margin | Yes |
| Currency Exchange Function | No |
| Date Calculations | No |
| Decimal Function | No |
| Depreciation Calculations | No |
| Display & Graphics - Display Screen | 12 Character - Fluorescent |
| Display Angle | Fixed |
| Display Characters Height | 15.0 mm |
| Display Notation | Numeric |
| Display Type(s) | Fluorescent |
| Double Zero Key | Yes |
| Equation Editor | No |
| Fraction Calculations | No |
| Fraction/Decimal Conversions | No |
| Global Product Type | Calculators-Printing |
| Grand Total Key | Yes |
| Hyperbolic Functions | No |
| Hypothesis Testing | No |
| Interest Rate Conversion | No |
| Item Count Function | Yes |
| Linear Regression | No |
| Loan Calculation | No |
| Logical (Boolean) Operations | No |
| Markup/Down Key | No |
| Matrices | No |
| Memory | 4-Key |
| Metric Conversion | No |
| Number of Display Digits | 12 |
| Package Contents | 1220-4 Desktop Printing Calculator Adapter |
| Percent Add-On/Discount | Yes |
| Percent Key(s) | Yes |
| Polar-Rectangular Conversion | No |
| Power Source(s) | AC, Battery |
| Print Color(s) | Red |
| Print Speed (Lines per Second) | 3.0 |
| Probability (Random Number) | No |
| Product Model | 1220-4 |
| Product Name | 1220-4 Desktop Printing Calculator |
| Product Type | Printing Calculator |
| Replacement Batteries | 4 AA, EVE-EP1BP-4 |
| Replacement Ribbon/Roller | DPS-R1427 |
| Replacement Roll Paper | UNV-35720 |
| Ribbon/Roller Printer | Roller |
| Simultaneous Equations | No |
| Size | 7 3/4 x 10 |
| Square Root Key | No |
| Tax Calculation | Yes |
| Technical Information - Functions | Cost/sell/margin Time/date display Two independent tax keys Item count Delta percent of change Four-key independent memory Subtotal key Grand total key Automatic constants |
| Technical Information - Print Speed | 3lps |
| Time/Date | Yes |
| Time-Value-of-Money | No |
| Trig/Log Functions | No |
| Variable Regression | No |
| Weight (Approximate) | 2 lb |
