The iteral or superdecal is equal to {10,10,10,10,10,10,10,10,10,10} (10 tens) = {10,10 (1) 2} = {10,2,2 (1) 2} = {10,2/2} in BEAF or 10 & 10, using the array of operator. The term was coined by Jonathan Bowers. Iteral is comparable to \(f_{\omega^8}(10)\) in the fast-growing hierarchy.