For the (continuous) uniform distribution on the interval \( [a, a + w] \) this calculator gives the value of the cumulative distribution function \(p = F(x)\) for a given value of \(x\), or the value of the quantile function \(x = F^{-1}(p)\) for a given value of \(p\). The left endpoint \(a\) and width \( w \) of the interval can be varied with the input control, as can the variables \(x\) and \(p\).