slovodefinícia
positional representation
(foldoc)		positional representation

The conventional way of writing numbers as a
string of digits in which each digit, D, has value D * R^I,
where R is the radix or (number) base and I is the digit's
position counting leftward from zero at the least significant
(right-hand) end. Each digit can be zero to R-1. Each
position has a weight or significance R times greater than the
position to its right and the right-most place has a weight of
one.

Decimal numbers are radix ten, binary numbers are radix two,
octal radix eight and hexadecimal radix 16.

Positional representation makes arithmetic operations on large
numbers much easier than, say, roman numerals. It is
fundamental to the binary representation used by {digital
computers}.

(2006-11-10)
podobné slovodefinícia
positional representation system
(encz)		positional representation system, n:
positional representation system
(wn)		positional representation system
n 1: 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 [syn: {positional
notation}, positional representation system]

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