The "OKAWSU5.DLL" library contains the redirection functions to library "OKAWSP5.DLL". It's mean that for proper functionality of WaterSteamPro (US Edition) the library "OKAWSP5.DLL" required.
The list of exported functions of the "OKAWSU5.DLL" is presented in the section "List of the WaterSteamPro functions", therefore we shall investigate only library features.
The "OKAWSP5.DLL" library presents the source code responsible for calculation of water and water steam properties. The "OKAWSP5.DLL" library is a Windows dynamic link library (DLL), therefore it is applicable to all programs which "know how" to use DLL in their operations.
The library is stored at the "System" folder of the Windows catalog. For Windows 9x it is commonly the folder "C:\WINDOWS\SYSTEM".
The list of exported functions of the library "OKAWSP5.DLL" is the same as list of functions of the "OKAWSU5.DLL", but the prefix "wsu" in functions replaced to "wsp".
All exported functions of the "OKAWSP5.DLL" take arguments and return values in the SI system. To operate with other dimensions recalculation is needed. Example of operation with various dimensions is described by the program "WaterSteamPro Calculator". The program "WaterSteamPro Calculator" is available with the initial code; its description is presented above.
But the functions of the "OKAWSU5.DLL" work with US units. For proper definition of the required function please see section List of functions.
The program "WaterSteamPro Calculator" also presents example of "OKAWSP5.DLL" library operation in the Visual Basic programming environment. The library is also possible to be operated by other languages.