The first mechanical calculator was called ______

The correct answer is Pascaline.

Key Points

• The Pascaline was the first mechanical calculator invented by Blaise Pascal in 1642.
• It could add and subtract two numbers directly, and multiply and divide by repeated addition and subtraction.
• It was a very complex machine for its time, and it was not very reliable. However, it was a significant breakthrough in the development of mechanical calculators.

Additional Information

• Calculator is a general term for any machine that can perform calculations.
• Orpat is a modern calculator brand.
• Galelio was an Italian astronomer and physicist who lived in the 16th century.