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A system of writing numbers in which the position of a digit affects its value.
(Mathematics) the method of denoting numbers by the use of a finite number of digits, each digit having its value multiplied by its place value, as in 936 = (9 × 100) + (3 × 10) + 6
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|Noun||1.||positional notation - a numeration system in which a real number is represented by an ordered set of characters where the value of a character depends on its position|
number representation system, number system, numeration system, system of numeration - any notation for the representation of numbers
binary number system, binary numeration system, binary system, pure binary numeration system - a positional system of numeration that uses binary digits and a radix of two
octal number system, octal numeration system - a positional system of numeration that uses octal digits and a radix of eight
decimal number system, decimal numeration system, decimal system - a positional system of numeration that uses decimal digits and a base of ten
duodecimal number system, duodecimal system - a positional system of numeration that uses duodecimal digits and a radix of twelve