This App is the first of many that will be developed.
Adept to use books in my learning, this App was the basis for my knowledge.
Learn how it was made in the Novatec Publisher of the author Luiz Carlos Querino Son site: Developing Your First Application Android!
9Apps 4.9
![Customize Your Calculator & Step Up Your Math Game on Your Samsung Galaxy S3 [How-To] screenshot 3](https://i.ytimg.com/vi/FBLe5qzLhnQ/mqdefault.jpg)
