---
title: "Using Mathematical Functions | Microsoft Docs"
ms.date: 06/04/2018
ms.prod: sql
ms.technology: analysis-services
ms.custom: mdx
ms.topic: reference
ms.author: owend
ms.reviewer: owend
author: minewiskan
---
# Using Mathematical Functions


  A mathematical function performs a mathematical operation on numeric expressions and returns the result of the operation.  
  
 By default, a number passed to a mathematical function will be interpreted as a double precision floating point number.  
  
## See Also  
 [Functions (MDX Syntax)](../mdx/functions-mdx-syntax.md)