Meaning of the word "positional number" in English

What does "positional number" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

positional number

US /pəˈzɪʃ.ən.əl ˈnʌm.bər/
UK /pəˈzɪʃ.ən.əl ˈnʌm.bər/

Noun

a system of writing numbers in which the value of a digit depends on its position in the number, such as the decimal system

Example:
The decimal system is a common example of a positional number system.
Understanding the concept of a positional number system is fundamental in mathematics.