Detailed instructions for downloading and installing the
NAG Fortran Library, Mark 21 from the NAG web site

Product Code: FLAI621DBL

Installing the NAG Fortran Library, Mark 21 (without the Library Documentation)

1) download the tar gzip file flai621dbl.tgz to a temporary location <temp_dir>
2) change to the temporary location and gunzip and untar
  
   cd <temp_dir>
   gunzip flai621dbl.tgz        # this will create flai621dbl.tar
   tar xvf flai621dbl.tar       # this will extract install.sh, fl21.tar,
                                                    in.htm(l), un.htm(l)

3) run the installation script

   ./install.sh

4) after the software has been installed, you can optionally delete
   the temporary location and its contents.

5) You can access the documentation on our website from here. 

1) download tar gzip file flai621dbl.tgz to a temporary location <temp_dir>
2) change to the temporary location and gunzip and untar
   
   cd <temp_dir>
   gunzip flai621dbl.tgz        # this will create flai621dbl.tar
   tar xvf flai621dbl.tar       # this will extract install.sh, fl21.tar,
                                                    in.htm(l), un.htm(l)

3) download tar gzip file fl21_doc.tgz to the temporary location <temp_dir>
4) gunzip

   gunzip fl21_doc.tgz          # this will create fl21_doc.tar

   # Note: do not untar fl21_doc.tar

5) run the installation script

   ./install.sh

6) after the software has been installed, you can optionally delete
   the temporary location and its contents.

1) download tar gzip file fl21_doc.tgz to the location 
   where you want the documentation installed <install_dir>
2) change to the installation location and gunzip and untar

   cd <install_dir>
   gunzip fl21_doc.tgz          # this will create fl21_doc.tar
   tar xvf fl21_doc.tar