NAG Downloads - Fortran Library

Apple Intel-based Mac (Mac OS X) - 64-bit systems

Specific download information:

  • Fortran Library, Mark 22
  • For Intel-based Mac 64-bit Systems
    Mac OS X version 10.4.11 and compatible (including 10.5.7 and 10.6.1)
  • Using NAG Fortran Compiler, Version 5.1 or compatible
  • File size of Fortran Library (includes Library Manual)
    170 MB ; 178259693 bytes
  • NAG Product Code: FLMI622D9L


The software is provided as an Apple disk image (dmg) file.
Download the dmg file from here (size: 170 MB).
Double click on "FLMI622D9L.pkg" to install the Fortran Library.
Double click on "NAG Fortran Library Manual, Mark 22" to install the Library manual.

For implementation specific information, refer to the Installer's Note and Users' Note.

Licence key

To enable the use of your NAG software you will need a relevant licence key. Instructions for obtaining a licence key are included in the products Installer's Note. Alternatively you can complete the ‘Request a Licence Key’ web form here. If you've already been supplied with a licence key from our Support Desk then you will not need to complete this form/request a key. In the event of difficulty please contact your NAG Technical Support Service.

Trial Request

For more information please fill out the trial request form.

Product Purchasing

The product can be purchased by contacting one of our offices.