2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/128589Recent calculations of collisionless, Case-B, He I emissivities were performed by Bauman et al. (2005). The source code used in the calculation has been freely available online since that paper was published. A number of changes have been made to simplify the use of the code by third parties. Here I provide details on how to obtain, compile, and execute the program and interpret the results.5 pages, 1 tableAstrophysicstext