Package java.math

Class Summary
BigDecimal  
BigInteger Written using on-line Java Platform 1.2 API Specification, as well as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998) and "Applied Cryptography, Second Edition" by Bruce Schneier (Wiley, 1996).
MathContext Immutable objects describing settings such as rounding mode and digit precision for numerical operations such as those in the BigDecimal class.
 

Enum Summary
RoundingMode An enum to specify rounding behaviour for numerical operations that may discard precision.