Babbage's revolutionary machines, the Difference Engine and the Analytical Engine, were the precursors to the computers that would shape the 20th and 21st centuries.

What Did Percy Ludgate Invent? Analytical Engine Percy Ludgate designed the second analytical machine in history, otherwise called the general-purpose Turing-complete computer.

The analytical engine would have been able to choose which instruction to follow based on the outcome of a previous computation—­a skill called conditional branching.

Already with the invention of the earliest proto-computer, Charles Babbage’s Analytical Engine, Ada Lovelace saw its potential (in 1843) as a symbol manipulator.

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Powerstories Theatre invites middle & high school students to experience Ada and the Engine — the inspiring story of Ada Lovelace, the first computer programmer and a pioneer for women in STEM ...