Quote from erierambler:
Wouldn't have realised that if you hadn't pointed it out.
Quote from dbphoenix:
By the way, Awash, your S3/R3 corresponds to my S4/R4 and I have different formulas for S3/R3. I rarely (never) use S3/R3 or S4/R4 anyway, so it's not a big deal, but do you have anything on S/R beyond 1 & 2 in your files that would explain the 3 & 4 levels and formulas?