HR-10RC $ 29.89 Portable printing calculator with a large easy-to-read display and a host of features. DR-120R-BK $ 59.66 Desktop Printing Calculator with an extra large 12-digit display that prints 3.5 lines per second and in 2 colors. HR-200RC $ 51.74 This compact printing calculator prints 2.4 lines per second with 2-color printing and cost/sell/margin functionality. DR-210R $ 70.51 Desktop Printing Calculator with an extra large 12-digit display that prints 4.4 lines per second and in 2 colors. DR-270R $ 108.49 Heavy Duty Desktop Printing Calculator with an extra large 12-digit display that prints 4.8 lines per second and in 2 colors. HR-170RC $ 40.24 Mini desktop printing calculator with a big easy-to-read display and prints 2.0 lines per second with 2-Color printing and Cost/Sell/Margin functionality.