sentences:  The scribe used the identity 1 "hekat" = 320 "ro" and divided 64 by 7, 10, 11 and 13.For instance, in the 1/11 computation, the division of 64 by 11 gave 5 with a remainder 45/11 "ro".This was equivalent to (1/16 + 1/64) "hekat" + (4 + 1/11) "ro".