Which mathematical calculation tool was first marketed as the 'Arithmometer' and became the first commercially successful mechanical calculator?

Before digital calculators and computers transformed mathematics education and practice, various specialized tools were developed to assist with calculations. These mathematical instruments have a rich history of innovation and played crucial roles in advancing fields like engineering, astronomy, navigation, and commerce. Test your knowledge about these influential mathematical products that shaped how we solve problems!

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Thomas de Colmar's calculating machine (1820s)
Blaise Pascal's Pascaline (1642)
William Oughtred's slide rule (1622)
Gottfried Leibniz's Stepped Reckoner (1694)