House & Home Physics
Oven Preheat (Newton Heating)
T(t) = T_set·(1 − e^(−t/τ))

An oven element drives the cavity toward its set-point on an exponential approach — fast at first, then creeping the last few degrees.
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).