pkg math/big, const ToPositiveInf = 5
pkg math/big, const ToPositiveInf RoundingMode
pkg math/big, const ToZero = 2
pkg math/big, const ToZero RoundingMode
pkg math/big, func Jacobi(*Int, *Int) int
pkg math/big, func NewFloat(float64) *Float
pkg math/big, func ParseFloat(string, int, uint, RoundingMode) (*Float, int, error)
pkg math/big, method (*Float) Abs(*Float) *Float
pkg math/big, method (*Float) Acc() Accuracy

pkg encoding/xml, var HTMLAutoClose []string
pkg encoding/xml, var HTMLEntity map[string]string
pkg errors, func New(string) error
pkg expvar, func Do(func(KeyValue))
pkg expvar, func Get(string) Var
pkg expvar, func NewFloat(string) *Float
pkg expvar, func NewInt(string) *Int
pkg expvar, func NewMap(string) *Map
pkg expvar, func NewString(string) *String
pkg expvar, func Publish(string, Var)
pkg expvar, method (*Float) Add(float64)