Logoia

Predecessors to the ABC

By joelinia

  • Schickard's Speeding Clock

    Schickard's Speeding Clock
    Schickard built the first known mechanical calculator that could add and subtract numbers automatically.

  • Babbage's Analytical Machine

    Babbage's Analytical Machine
    Babbage completes his plans for his analytical machine, although he never actualy constructs it.

  • Konrad Zuse Born

    Konrad Zuse Born
    Konrad Zuse was born on this date. He built the Z1, Z2, and Z3 mechanical computers,

  • Z1

    Z1
    The Z1 was the first of 3 mechanical computers built by Zuse

  • Z2

    Z2
    The Z2 was the second of three mechanical computers that Zuse built.

  • Z3

    Z3
    The Z3 was the final of three mechanical computers built by Zuse.

  • ENIAC

    ENIAC
    ENIAC was a government project that was deemed a derivative of the ABC in Honeywell v. Sperry Rand.