#calculating

girlofthesea@diasporasocial.net

#calculating #machines #inventions
SEPTEMBER 20, 2023
In 1623, scholar Wilhelm Schickard invented an adding machine with gears and with cylinders that carried the multiplication table. It was the first calculating machine. On September 20, 1623, Schickard first mentioned his machine in a letter to his astronomer friend, Johannes Kepler.