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Section 4   Application to Major Distribution Functions

An important application of the "h" function is to unify many distribution functions that do not have a closed-form expression. In this section, I present an extensive study that applies "h" to explicitly specify and evaluate those functions. I start by discussing the question of numerical precision, and then provides a series of applications to various families of distributions, including those related to the gamma function, the exponential integral function, the error function, the beta function, the hypergeometric function, the Marcum Q-function, and the truncated normal distribution.

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