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Logarithms
In 1619 John Napier made logarithms. -
First Calculator
Blaise Pascal invented the first calculator in 1645. -
Calculator can times and divide
Gottfried Wilhem von Leibnitz made the calculator times and divide in 1674. -
The Jacquard Loom
Joseph Marie Jacquard invented the Jacquard Loom in 1804. -
First mechanical computer
Charles Babbage invented the first mechanical computer in 1830.