Office 14-Digit Printing Calculator White

Positive values are shown in black, and negative values are shown in red for easy checking
Line printing for higher speed, superior print quality, and quieter operation
Calculate the cost, selling price, or margin of profit on an item, given the other two values
All the mark-up/mark-down capabilities of an adding machine for simplified cost and profit calculations
Printing speed 3.5 line-per-second, number of colour 2