I've recently downloaded the spreadsheet and added in my details. I got a recommended optimum cp usage of cycle: 3s/5r

Now I can't for the life of me find out on the spreadsheet what this means (nor on this forum as it prevents searches if words less than 5 letters).

Can anyone enlighten me please. Otherwise this si a great resource

It means '3 combo point slice-n-dice followed by a 5 combo point rupture'.

Why is this in a separate thread?