An Early (1844) Key-Driven Adding Machine

Denis Roegel (1)

1 MOSEL - Proof-oriented development of computer-based systems

This article presents Jean-Baptiste Schwilgué's 1844 adding machine, which was equipped with a number of unique features, in particular with what was apparently the first numerical keyboard.

Domaines: Génie logiciel [cs.SE]

Denis Roegel. An Early (1844) Key-Driven Adding Machine. IEEE Annals of the History of Computing, 2008, 30 (1), pp.59-65. ⟨10.1109/MAHC.2008.1⟩. ⟨inria-00336086⟩