a new release of the interval package for real-valued interval
arithmetic  is out, version 3.1.0.
This minor release introduces two new functions and addresses several
problems that could occur during package installation. A complete
summary of important user-visible changes is also available
The interval package for real-valued interval arithmetic allows one to
evaluate functions over subsets of their domain. All results are
verified, because interval computations automatically keep track of any
These concepts can be used to handle uncertainties, estimate arithmetic
errors and produce reliable results. Also it can be applied to
computer-assisted proofs, constraint programming, and verified computing.
The implementation is based on interval boundaries represented by
binary64 numbers and is conforming to IEEE Std 1788-2015, IEEE standard
for interval arithmetic.