10 algorithms for long arithmetic

The coin problem (Frobenius problem) is a mathematical problem that asks what is the largest monetary amount that cannot be obtained using only coins of specified denominations.

Calculators for basic needs for solving problems related to matrices and graphs

This notebook features Mathematica functions for working with and visualizing C-semigroups in N², using the Normaliz package. Normaliz is an open-source tool for computations in affine monoids, lattice polytopes, and rational cones (https://www.normaliz.uni-osnabrueck.de/).