ROL Assistant is a free mobile application with useful calculation tools for the refining engineer and displays market prices from the RefiningOnline.com site. The main features of this software are summarized below:

ROL Mkt.:
Displays market prices from the RefiningOnline.com site.

Unit:
Conversion calculations for Length Area Volume Mass Density Pressure Energy Power Temperature Flow Rate Viscosity Specific Energy Heat Flux Heat Transfer Coefficient Thermal Conductivity...

Steam:
Enthalpy Density Heat Capacity Viscosity Thermal Conductivity of saturated steam water and superheated steam properties.

Press. Drop:
Single phase line pressure drop calculation for different pipe sizes and materials in English or Metric units.