Originally Posted By: ClubNeon
The ^3 wasn't a problem. It was combining it with cf that was confusing. One should use ft^3, or cf, but not cf^3, which says "cubic feet cubed" (and why I said ninth dimensional).

The f^3 actually should be written as ft³ (³).

Yes indeed...I made a mistake and I apologise for typing it that way. Now I understand. Thanks smile

Demetrios