since version 4.5 requires
GNU MPC version 0.8 or above.
a free computer algebra system, contains GNU MPC as an
optional package since Sage version 4.6 and as a
since Sage version 5.0.
One needs to import the package via
from sage.rings.complex_mpc import *.
Then the class
MPComplexField is provided, which may be used just as
MPACK, a package for
multiprecision linear algebra,
uses GNU MPC since version 0.6.5.
a multi-platform fractal generator,
uses GNU MPC since version 0.8.