Enter the item cost and the markup value (no matter if it is percent, flat amount or points). Click the appropriate Calculate button; read the retail sales price and confirm the method of calculation. You may click on Clear Values and do another. (You do NOT enter the decimal for points; use the number of points you wish from 1 to 99. You MAY enter a decimal for a flat rate amount. You MAY enter a decimal for percent in that IF you wish to have 30 and a half percent as the markup value, it would be entered 30.5 in the markup value field.