 Electromechanical calculator companies

Electromechanical calculator companies were manufacturers that produced calculators using electromechanical components, combining mechanical systems with electrical technology to perform calculations. These devices were prevalent from the mid-20th century until the rise of fully electronic calculators in the 1970s. Some key points about electromechanical calculators and companies that produced them: 1. **Technology**: Electromechanical calculators used a combination of gears, levers, motors, and electrical circuits to perform arithmetic operations.