Resources on Babylonian Mathematics, Especially Plimpton 322
Cuneiform numerals here.
A Babylonian table of inverses (in Hindu-Arabic numerals) here.
A section of a Babylonian lunar ephemeris here.
A photograph of Plimpton 322 here.
A transcription, with explanations, of Plimpton 322 here.
A Mathematica notebook that explores some properties of Plimpton 322 here.