Here is the expanded Precision example from
lecture, which now uses a math library call to print out the answer
as a power of two.

It is not a coincidence that the remainder is an exact power of two.
What is the significance of -23?

Here is a Makefile for our Precision program.

The new Makefile includes a `${LIBS}` macro to ensure that the
compiler links in the necessary math library when we build the
project.

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