RSpec makes astronomical spectroscopy easy. Field Tested Sytstems' award winning Windows program takes you up a gentle learning curve with a collection of short tutorial videos. You'll be delighted at how quickly you'll be producing fascinating results.
Sky & Telescope Magazine's senior editor Dennis di Cicco interviews Tom Field about RSpec:
This product is a single user license for Windows XP and up. This license allows you to install it on as many machines as you have and use yourself (e.g. laptop in the observatory, desktop in your home, one in your office, etc.) For classroom use, you will need a site license. Contact us for details.