The key word is "decimal", this is a library for decimal floating point arithmetic. `math/big` uses binary floating point. The difference is in which floating

The key word is "decimal", this is a library for decimal floating point arithmetic. `math/big` uses binary floating point. The difference is in which floating point numbers can be represented without requiring an infinite expansion. Lot more info at http://speleotrove.com/decimal/ http://speleotrove.com/decimal/.