Thelittlesisterto[bignumber.js](https://github.com/MikeMcl/bignumber.js/) and [decimal.js](https://github.com/MikeMcl/decimal.js/). See [here](https://github.com/MikeMcl/big.js/wiki) for some notes on the difference between them.
*Inallexamplesbelow,`var`, semicolons and `toString` calls are not shown. If a commented-out value is in quotes it means `toString`hasbeencalledontheprecedingexpression.*
Themaximumnumberofdecimalplacesandtheroundingmodeusedtoroundtheresultsofthesemethodsisdeterminedbythevalueofthe`DP` and `RM` properties of the `Big`numberconstructor.