Manuscript Monday: LJS 99 – Table of integer square roots

Dot Porter, Curator, Digital Research Services at the University of Pennsylvania Library, offers a video orientation to Penn Library’s LJS 99, a table of integer square roots. This partially baked clay tablet was created in Iraq, between 1999 and 1800 B.C., in Sumerian. It is a table of numbers whose square roots are integers, in Babylonian sexagesimal notation.

See the full online facsimile of this work in Penn in Hand.


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