##  [Normal Order](/index.php/normal-order) 

  ##  [Normal Order](https://puremath.quantumdictionary.io/normal-order-0) 

  

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- Mathematics & Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A function g(n) is a normal order of f(n) if f(n)/g(n) → 1 for almost all n, meaning the proportion of n≤x for which f(n) deviates significantly from g(n) tends to zero as x→∞; it describes the typical size of f on a set of full natural density.