NOT gates are useless...
From NandGame.
AND gates are also useless...
Pfft, who uses these gates?
All of the gates (except good ol' NAND) are now useless, heh.
Adding bits numbers with just NAND!
Addition has never been so easy!
Making of all gates using NAND universal gate.
Get And,Or,Not,Xor,Nand,Nor,Xnor
Implemented NAND