Steam Calculator 2.0

Steam properties calculator Excel add-in based on IAPWS-97 standard which calculates 23 different properties such as: Temperature, Pressure, Enthalpy, Entropy, Quality, Density, Internal Energy, Isobaric Heat Capacity, Isochoric Heat Capacity, Specific volume, Speed of Sound, Thermal Conductivity, Viscosity, Surface Tension, Helmholtz Free Energy, Gibbs Free Energy, Compressibility Factor, Isothermal Compressibility, Joule-Thompson Coefficient, Isothermal Joule-Thompson, Thermal Expansion Coefficient, Prandtl Number, Static Dielectric Constant.
English and SI input and output units are supported.The functions are exposed as user defined functions and can be used as Excel formulas.
Evaluation version has a restricted set of functions and there is no time limit, nor are you limited to a number of tries.