Question

what is a number system ?​

Answer 1

A numeral system is a writing system for expressing numbers; that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner. The same sequence of symbols may represent different numbers in different numeral systems.

Answer 2

• a number system is a writing system for expressing numbers that is in a mathematical notation for respecting numbers in a given set, or using digits or symbols in a consistent manner