One of the most significant mathematical tools available to electronics designers
was actually invented for quite a different purpose. This tool is to use mathematical
techniques to represent and rigorously test logical and philosophical arguments.
In digital circuit design, designer must set the purpose or result to a Truth table.
After that make the logic equation from the Truth table. Boolean algebra will use to
simplify the original equation to simplest logic equation. It means the smallest digital
circuit and using minimum logic gates.