What is the simple defination of Number System?

natural number using 10 symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. Each of such symbols is called a digit or a figure. Such number system is called Hindu-Arabic number system. This number system that we use today has taken hundreds of years to develop. This number system was originally developed by ancient Hindu Mathematician and later on carried by Arabs.

Number system= A System for writting number is called number system 

we use 1,2,3,4........ for counting purposes all such numbers are called natural numbers

we use 1,2,3,4........ for counting purposes all such numbers are called natural numbers