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Decimal representation

A decimal representation of a non-negative real number r is its expression as a sequence of symbols consisting of decimal digits traditionally written with a single separator: r = b k b k − 1 ⋯ b 0 . a 1 a 2 ⋯ {\displaystyle r=b_{k}b_{k-1}\cdots b_{0}.a_{1}a_{2}\cdots } Here . is the decimal separator, k is a nonnegative integer, and b 0 , ⋯ , b k , a 1…

Overview, Non-uniqueness of decimal representation and notational conventions & Integer and fractional parts