Latex code (see talk page for source) converted to svg using the TexText extension for Inkscape. Minor alignment issues solved by hand. The original set of equations come from Primordial nucleosynthesis.JPG by Szdori
This is believed to be simple enough not to be copyright eligible.
If this is at some point concidered not to be the case I (Lokal_Profil) license the image under {{Cc-by-sa-2.5}}
