Category
page 1Temporal exponentials

half-life
{| class="wikitable" align=right
! Half-liveselapsed !! Fractionremaining !! colspan=2| Percentageremaining
|-
| 0 || ||align=right style="border-right-width: 0; padding-right:0"| 100||style="border-left-width: 0"|
|-
| 1 || ||align=right style="border-right-width: 0; padding-right:0"| 50||style="border-left-width: 0"|
|-
| 2 || ||align=right style="border-right-width: 0; padding-right:0"| 25||style="border-left-width: 0"|
|-
| 3 || ||align=right style="padding-right:0; border-right-width: 0"| 12||style="border-left-width: 0; padding-left:0"|.5
|-
| 4 || ||align=right style="border-right-width
exponential growth
growth of quantities at rate proportional to the current amount
biological half-life
pharmacokinetic parameter; (of a substance) time it takes for a substance to lose half of its pharmacologic, physiologic, or radiologic activity
doubling time
time required to double a quantity
Rock's law
Observation on semiconductor fab prices