3 ms·Isn't an add much cheaper than a multiply?by Aloha 7y agoIsn't an add much cheaper than a multiply?madengr 7y agoSure, but typically bit-wise multiply by XOR is used, at least with spread spectrum and many forward error correction.kps 7y agoThey weren't using base 2.ncmncm 7y agoUsing base-6 signaling, modulo addition per digit position is a close equivalent to XOR for binary.