@ickplant@lemmy.world to Lemmy Shitpost@lemmy.world • 2 years agoPaniki.postimg.ccimagemessage-square138arrow-up11.28K
arrow-up11.28KimagePaniki.postimg.cc@ickplant@lemmy.world to Lemmy Shitpost@lemmy.world • 2 years agomessage-square138
minus-squareSockenklauslinkfedilink2•2 years agoYou 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!
minus-square@BruceDoh@sh.itjust.workslinkfedilink1•2 years agoYes, that’s what I meant. The subtract rule works.
14: 1 + 8 = 7. Not db7
You clearly mean:
14: 1 + 8 = 9 (not db 7)
Someone else in this thread correctly stated:
14: 1 - 8 = -7. (dB 7!)
Math is awesome, I didn’t know this trick!
Yes, that’s what I meant. The subtract rule works.