Cooking & Food Science
Fermentation Kinetics
S = e^(−0.3t), E = 1 − e^(−0.3t)

Sugar falls as yeast converts it to ethanol, the two curves crossing partway through fermentation.
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).