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## Tutorial

In order to use this library you need to make two choices:

- What kind of number do I want (integer, floating-point, rational, or complex)?
- Which back-end do I want to perform the actual arithmetic (Boost-supplied, GMP, MPFR, MPC, Tommath etc.)?

A practical, comprehensive, instructive, clear and very helpful video regarding the use of Multiprecision can be found here.