Icon set · Time & cadence
Half-life curve
Half-life curve is one of the 12 marks in the time & cadence register of Planisphere's icon set: exponential decay marking the midpoint.
01 / The mark
How it's drawn
Drawn from
axes + curve + brass half-mark
RegisterTime & cadence
RELATED
Related: Sundial · Hourglass · Escapement · Atomic clock · Calendar · Epoch boundary · Tick mark · Meridian crossing