Inclined Span Catenary Sag | Wolfram Formula Repository
Catenary Calculator by PDi Ltd
Catenary Anchor Chain Length - Die Kettenkurve - (In English)
A catenary function | Newton Excel Bach, not (just) an Excel Blog
Catenary Calculator with Point Load | CalQlata
Wannes Malfait on Twitter: "Finally managed to get an analytical solution for a catenary curve between two points (length not fixed). So now there is no more excuse for using a parabola