CALCULATOR-MOR122PD by Monroe The Monroe 122PD Not fancy, just fast and durable. *12 digit print/display capacity *4.5 lines per second print speed *(1) 4 key Independent Memory *Black/Red Print *Percent Change *Mark-up *%, %+, %- *Round up, Off (5/4), Truncate *Automatic Constants *Non-Add/Date *N-Count *Decimal Settings: +,0,2,3,4,F *Ribbon: P65M Black/Red Spool *Paper: 2 1/4 Add Roll *Dimensions Inches: 11.19(L) x 8(W) x 2.77(H)