diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst index 8169bd358c7017..38173f18ca6602 100644 --- a/Doc/library/decimal.rst +++ b/Doc/library/decimal.rst @@ -1357,6 +1357,9 @@ In addition to the three supplied contexts, new contexts can be created with the The rounding mode of the context is used. Results are always correctly-rounded in the Python version. + ``Decimal(0) ** Decimal(0)`` results in ``InvalidOperation``, and if ``InvalidOperation`` + is not trapped, then results in ``Decimal('NaN')``. + .. versionchanged:: 3.3 The C module computes :meth:`power` in terms of the correctly-rounded :meth:`exp` and :meth:`ln` functions. The result is well-defined but