Android Developers Docs Reference added in API level 24 android.icu.math Classes BigDecimal The BigDecimal class implements immutable arbitrary-precision decimal numbers. MathContext The MathContext immutable class encapsulates the settings understood by the operator methods of the BigDecimal class (and potentially other classes). Classes BigDecimal MathContext Content and code samples on this page are subject to the licenses described in the Content License. Java is a registered trademark of Oracle and/or its affiliates. Last updated May 31, 2018.