This message announces the release of FreeSnell-1b9. FreeSnell is a program which computes optical properties of multilayer thin-film coatings. Dielectric, metallic, and granular metallic films are supported. The FreeSnell package includes a SCM script (program) "nk" to create, manage, and query a refractive-index spectral database. FreeSnell is an application of the SCM Scheme implementation and the WB B-tree database package. FreeSnell is free software. It is released under the GNU General Public License (GPL). The FreeSnell home page details installation and links to distributions, documentation, and examples: -=-=-=-=- FreeSnell-1b9 news: * fresneleq.scm (granular-IR): Now accepts functional arguments. * Added spectral refractive index data for liquid and frozen water. * Added RI-spectra from * Added chemical symbols and descriptions to nk spectra database. * The nk script can plot graphs with wavenumber and electron-Volt abscissas. * The nk script can be queried for spectral ranges. * The nk script can be queried for material descriptions. * nk.html (Building the Refractive-Index Database): Documented spectra repairs. * Supports GNU configure. * Makefile: Reorganized per . Details at -=-=-=-=- The FreeSnell package is available from Also available as MS-Windows installer: SLIB is the portable scheme library which FreeSnell requires: Also available as RPM: Also available as MS-Windows installer: SCM is the Scheme implementation under which FreeSnell runs. SCM source is available from: Also available as binary RPMs: Also available as i386 MS-Windows installer: WB databases are used via SCM. Also available as binary RPMs: