11 a.m. „Reckoning once and today“ – Guided tour of the Arithmeum's collection.

11 a.m. „Holes, lamps, and electric circuits“ – Guided tour for families on early data processing.

1 p.m. „Take a walk through a computer's inner life“ – special guided tour of what a computer looks like from inside, what happens in there, and how a computer does it's reckoning.

3 p.m. „Andreas Brandt at the Arithmeum“ – Children's art programme for children 6 years and older. Registration required. Charge: 6 EUR

3 p.m. parallel guided tour of the art exhibition for the parents.

17 h: „Reckoning once and today“ – Guided tour of the Arithmeum's collection.