Today, it’s difficult to imagine how you could have mathematics without zero. In a positional number system, such as the decimal system we use now, the location of a digit is really important.

In contrast to traditional positional number systems, ... Automatic Control and Computer Sciences (2014). [4] New distributed algorithms for fast sign detection in residue number systems (RNS).

Residue Number System (RNS): A non-positional numerical representation that expresses integers as a set of residues with respect to a chosen collection of moduli, ...