4Bit Calculator by Thanos Ball (92057) 4Bit Adder by Thanos Ball (92050) 4Bit Adder by Thanos Ball (92030) 4Bit Adder by Thanos Ball (92029) 4Bit Adder by Thanos Ball (92028) Adder? by Thanos Ball (91999) Adder? by Thanos Ball (91998) Adder? by Thanos Ball (91995) ORTesting by Thanos Ball (91943) AND Testing by Thanos Ball (91942) Adder? by Thanos Ball (91899) AND Testing by Thanos Ball (91898) AND Testing by Thanos Ball (91897) AND Testing by Thanos Ball (91896) AND Testing by Thanos Ball (91895) AND Testing by Thanos Ball (91894) AND Testing by Thanos Ball (91893) AND Testing by Thanos Ball (91892) AND Testing by Thanos Ball (91891) AND Testing by Thanos Ball (91890) XOR by Thanos Ball (91889) OR Testing by Thanos Ball (91888) OR Testing by Thanos Ball (91887) OR Testing by Thanos Ball (91886)