Dot Porter, Curator, Digital Research Services at the University of Pennsylvania Library, offers a video orientation to Penn Library’s LJS 228, Mathematical tables. This manuscript was created in Fayyūm, Egypt, between 500 and 699, and it is a fragment of board coated with gesso, with a pair of holes along the long side for ties to other boards in a simple codex. Five columns of Greek numerals demonstrate division by 8.
See the full online facsimile of this work in Penn in Hand.
The Schoenberg Institute for Manuscript Studies 