The Steam Table Calculator is an Excel add-in that calculates 23 steam properties based on the IAPWS-97 standard, including temperature, pressure, enthalpy, entropy, quality, density, and internal energy. It supports both English and SI input and output units.

One of the most significant advantages of this software is that it supports both English and SI input and output units. The functions are exposed as the user-defined functions and can be utilized as Excel formulas. Whether you're working with 32-bit or 64-bit versions of Windows, the Excel add-in will seamlessly sit into your system. Similarly, this add-in works MS Excel version 2000-2010 (32-bit or 64-bit). Therefore, you won't have to worry about compatibility issues.
The software is available in an evaluation version, which is free to download. The evaluation version has a restricted set of functions. However, there are no time limits, and you aren't limited to any specific number of tries. So, you can utilize the calculator software as many times you want as per your feasibility.
To sum up, the Steam Table Calculator Excel add-in based on IAPWS-97 is the perfect solution for your thermodynamic calculations. It is a user-friendly calculator that is easy to use and guarantees accurate results. You won't be disappointed with this software, and we highly recommend it for anyone who requires precise steam table calculations.
Version 3.0: Windows 7 and MS Excel 2010 (32-bit and 64-bit) compatible
Version 2.0: N/A