CALCO aims to bring together researchers and practitioners with interests in foundational aspects, and both traditional and emerging uses of algebras and coalgebras in computer science. The study of algebra and coalgebra relates to the data, process and structural aspects of software systems.

This is a high-level, bi-annual conference formed by joining the forces and reputations of CMCS (the International Workshop on Coalgebraic Methods in Computer Science), and WADT (the Workshop on Algebraic Development Techniques). Previous CALCO editions took place in Swansea (Wales, 2005), Bergen (Norway, 2007) and Udine (Italy, 2009).  The fourth edition will be held in the city of Winchester (England), a historic cathedral city and the ancient capital of Wessex and the Kingdom of England.

The main event will be preceded by the CALCO Young Researchers Workshop, CALCO-Jnr, dedicated to presentations by PhD students and by those who completed their doctoral studies within the past few years.

A workshop dedicated to tools based on algebraic and/or coalgebraic principles, CALCO-Tools, will be held on the same dates as the main CALCO conference.