this is a library to see the process to make a library and publish her on github Maven Central. its just a simple library that make simple operation like plus, minus, time and divider. To use this library wath you need to is to put the depenencies with jcenter.
go to your buil.gradle module app and add the dependencie:
dependencies {
implementation 'com.nunomelo.MathLibrary:mathlibrary:1.0'
}