# NAG Fortran Library Associated Information

## NAG Dynamic Link Libraries (DLLs)

The DLLs within the NAG Fortran Libraries can be called from various different environments such as C/C++, Visual Basic and Excel. For more information see the Users' Note for the Library in question.

An introduction to the NAG Dynamic Link Libraries (DLLs) provides some further information.

## C Header File

The NAG C Header File provides support for users wanting to call the NAG Fortran Library from C and C++.

From Mark 24 onwards, C Header File materials have been shipped with each implementation.

## NAG Fortran Builder

Using the NAG Compiler (Release 5.3) with the NAG Fortran Library (Mark 24) on Windows. These versions do not reflect the latest NAG Library and Compiler releases, please contact us with any compatibility issues or questions.