The Millionaire
Máquina de calcular La Millonaria
- Date
- 1892 · confidence high
- Place
- Zurich, Switzerland
- Credited to
- Otto Steiger
- Field
- Knowledge & symbols
What it is
The Millionaire was the first commercially successful mechanical calculator capable of direct multiplication without repeated addition, manufactured and sold under different names in several countries for over forty years.
What it led to
- direct multiplication in mechanical calculators
- standardization of commercial and scientific calculation
- influence on later mechanical calculators
- widespread office use until the electronic era