Arithmeum

Arithmeum in Bonn is a museum dedicated to the history of calculating. Its collection spans centuries of mechanical calculators, slide rules, early computers, and design-forward devices, illustrating how humans learned to compute before and beyond the digital age. Thoughtful displays and occasional demonstrations show mechanisms in action, appealing to technology enthusiasts, design lovers, and curious families. Architecture and temporary exhibitions add context on science, art, and innovation. Centrally located near the University of Bonn, Arithmeum offers a focused, quiet visit—ideal if you enjoy hands-on science museums or want a compact, well-curated look at the evolution of calculation.