↩ 🔵 🔵 🔵 ❪✺_❫ Spectral Fitting Subs ○ ❪𖣐₃ₑ-❫ Floating Python Libraries ○ XSPEC ○› xspec ⚬ᵖʸ ❪✺❫ PyXSPEC Concepts ○ ❪֎❫ PyXSPEC Lexicon ○ ❪○❫ PyXSPEC Collections ○