The DigiTech A v2.1 for Windows
Digital Technology Learning Tool
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- completly 32-bit support
- inbuilt BCD tester
- inbuilt truth table tester for every gate
- inbuilt binary signal viewer
- inbuilt symbol tester for every gate
- visual symbols for every gate with
  American, European and Japanease
- gates supported: AND, NAND, OR, NOR, XOR, NOT