Engineering
S-N Fatigue Curve
S = C·N^(-0.1) (Basquin)

Basquin's law: the stress amplitude a specimen survives falls steadily as the number of cycles to failure — plotted here on a log₁₀ axis — climbs into the millions.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).