MinSpectra 1.1 that could have been downloaded from our website for free. This tool was originally developed by MinServ. The software is categorized as Education Tools.
From the developer:
Minspectra is a program to display and analyze mineral spectral data. Within the the last ten years mineral spectral analysis via spaceborne, airborne and surface instruments has become widespread and is now the principle method for analyzing and mapping minerals on a regional scale.
You may want to check out more software, such as StatPlus 2007, Avantage BPM Foundation or Adding Machine, which might be related to MinSpectra.