# Uncertainity Calculation

> How can i calculate the absolute uncertainty dt in the following case T=(P/A)^1/4 if P=(5±0.15) and A=(0.3±0.009)

• When uncertainty gets confusing just use min/max analysis. All other methods are really just shortcuts anyways. – caveman Jan 20 '15 at 1:59

P has a relative uncertainty of ±0.15/5 = ±0.03

A has a relative uncertainty of ±0.009/0.3 = ±0.03