Deploying the Application 
Open the Servers view by choosing Window →Show view →Servers.
From the context menu of SAP Server in Servers view, choose Add and Remove Projects.
From the list of the Available projects, choose CalculatorServiceEar project and choose Add to move it to Configured projects.

Choose Finish.
Note
The first time you add a project it will be deployed automatically. For any further redeployments you can use Publish from the context menu of the SAP server.