Browsing French translation

61379.

* Fair performance -- typically 10-100x faster than Python's
decimal library
* Transcendental functions -- all functions from Python's math and
cmath modules, plus a few more like gamma, factorial, erf
* Complex numbers -- with support for transcendental functions
* Directed rounding -- floor, ceiling, down, up, half-down,
half-up, half-even
* Unlimited exponents -- no overflow or underflow