Caja Fuerte HoneywellCerradura Digital ProgramableAlta Segur

Caja Fuerte HoneywellCerradura Digital ProgramableAlta Seguridad(Acero) + Llaves de EmergenciaNueva(53341777)

Wilhelm Schickard designed and constructed the first working mechanical calculator in 1623. In 1673, Gottfried Leibniz demonstrated a digital mechanical calculator, called the Stepped Reckoner. He may be considered the first computer scientist and information theorist, for, among other reasons,

documenting the binary number system.