$MaxExtraPrecision

Usage

• $MaxExtraPrecision gives the maximum number of extra digits of precision to be used in functions such as N.

Notes

• The default value of $MaxExtraPrecision is 50.

• You can use Block[{$MaxExtraPrecision = n}, expr] to reset the value of $MaxExtraPrecision temporarily during the evaluation of expr.

• $MaxExtraPrecision is used implicitly in various exact numerical computations, including equality tests, comparisons and functions such as Round and Sign.

• See Section 3.1.5.

• See also: $MaxPrecision.

• New in Version 3.

Further Examples