---
title: "Mathematical operations in angularjs."
description: "The ng-app Directive. The ng-app directive defines the root element of an AngularJS application. DOCTYPEhtml htmlxmlns=\"http://www.w3.org/1999/xht"
author: "Anonymous User"
published: 2015-12-28
updated: 2018-03-13
canonical: https://www.mindstick.com/blog/11001/mathematical-operations-in-angularjs
category: "angular js"
tags: ["jquery", "angular js"]
reading_time: 2 minutes
---
# Mathematical operations in angularjs.
The ng-app Directive. The ng-app directive defines the [root element](https://www.mindstick.com/interview/1692/what-is-root-element-in-xml) of an [AngularJS](https://www.mindstick.com/articles/13081/advantages-disadvantages-of-angularjs-is-that-ideal-for-your-project) application.\
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```
Anguler JS Demo
```
[Result](https://www.mindstick.com/blog/12011/advantages-of-getting-result-oriented-seo-from-an-agency)
\
---
Original Source: https://www.mindstick.com/blog/11001/mathematical-operations-in-angularjs
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