What is the Binary Calculator application, how does it work?

According to the introduction of Edgar García Leyva, Binary Calculator is a Tools app on the Android platform. There is currently a 1.0.0 version released on Oct 30, 2018, you can see the details below.

Application that performs basic operations (addition, subtraction, multiplication and division) in the binary system, able to operate with fractional numbers and obtain negative results according to the method that we choose.

What's new in version 1.0.0 Operations with fractional numbers.