• Sockenklaus@sh.itjust.works
      0·
      1 year ago

      You clearly mean:

      14: 1 + 8 = 9 (not db 7)

      Someone else in this thread correctly stated:

      “Chop of last digit, double it and subtract from what is left”

      14: 1 - 8 = -7. (dB 7!)

      Math is awesome, I didn’t know this trick!