White's main positional system is to continue with 9.

More elegant is a positional system, also known as place-value notation.

By using a dot to divide the digits into two groups, one can also write fractions in the positional system.

Thus, one can easily argue that unary is not a positional system at all.

A few positional systems have been suggested in which the base b is not a positive integer.

The use of zero in these positional systems are the final step to the system of numerals we are familiar with today.

It is a positional system of rod numerals to represent polynomial equations.

The Mayas used a positional base-twenty numerical system which only included whole numbers.

This positional system allows to calculate large figures, necessary for chronology and astronomy.

Chandua probably the most important mathematical contribution concerns the representation of numbers in a positional system.