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Fixed, Floating, and Exact Computation with Java's Bigdecimal

By Mike Cowlishaw and Joshua Bloch and Joseph D. Darcy, July 01, 2004

Features in the J2SE 1.5 BigDecimal class make calculations easy.
July, 2004: Fixed, Floating, and Exact Computation with Java's BigDecimal

Number i×10j Decimal Fraction m×2n Binary Fraction
one half 5×10-1 0.5 1×2-1 0.12
three eighths 375×10-3 0.375 3×2-3 0.0112
one tenth 1×10-1 0.1 N/A 0.000110011...2

Table 1: Decimal and binary fractions.



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