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+.. _future-builtins:
+
+``future.builtins``
+===================
+
+The ``future.builtins`` module is also accessible as ``builtins`` on Py2.
+
+- ``pow()`` supports fractional exponents of negative numbers like in Py3::
+
+ >>> from builtins import pow
+ >>> pow(-1, 0.5)
+ (6.123233995736766e-17+1j)
+
+- ``round()`` uses Banker's Rounding as in Py3 to the nearest even last digit::
+
+ >>> from builtins import round
+ >>> assert round(0.1250, 2) == 0.12