📅 14 June 1822
Babbage described machinery for calculating and printing astronomical and mathematical tables, reducing human transcription errors.
📅 14 June 1822
Polynomial values could be generated through repeated addition, allowing gears to carry out a systematic mathematical method.
📅 14 June 1822
The machine transferred parts of calculation from human computers to mechanisms but still depended on designers, machinists and operators.
📅 14 June 1822
Accurate tables supported navigation, surveying, taxation and astronomy, activities closely tied to British administrative and maritime power.
📅 13 August 1843
Her translation of Menabrea's account appeared with notes much longer than the original and explained the unrealized machine's operations.
📅 13 August 1843
The table specifies operations, variables and repetitions in a form recognizable as an algorithm.
📅 13 August 1843
She argued that the Engine could follow operations supplied to it but could not originate ideas on its own.
📅 13 August 1843
Lovelace compared punched-card control with the Jacquard loom, linking patterns in textiles with patterns in symbolic computation.