Institute for Advanced Study and t A. Sachs About 150 mathematical texts from Nippur are known, but most of them are tables for multiplication and division or simple related texts concerned with metrological problems. All these texts belong to the Old Babylonian period in the wider sense, including the Isin-Larsa and the early Cassite period. The new documents published below belong to the same class. In our discussion we use the same notation which we have explained in the introduction to our Mathematical Cuneiform Texts.' A. MATHEMATICAL TEXTS 2N-T 585 Tablet measuring about 2 in. X 2.5 in., with ruling between lines. obv. la-rd [1] 1 rev. a-r[A 1]2 2,24 a-rd [2] 4 a-rd 13 2,3[6] a-rd 3 9 a-rd 14 2,48 a-rd 4 16 a-rd 15 2,30 5. a-rd 5 25 5. a-rd 16 2,32(?) a-rd 6 36 a-ra 17 2,34(?) a-rd 7 49 a-rd 18 3,48(?) a-r[A 8 1,]4 a-rd 18(?) 3,56 a-r[A 9 1,2]1 a-rd 19 3,20 10. a-rk [10 1,]40 10. a-rd 20 6,40 a-rd 1[1 2,]1 a-rd 30 15 a-rd 40 20 a-rd 50 41,40 im-gid-da 1i-daen-il-lt This text is in complete disorder. The general arrangement is that of a [Ed. note: This article was submitted to the University Museum for publication in 1951, but was inadvertently mislaid. It is published here in its original form without changes. Since the original copies appended to the article are no longer extant, new copies have been supplied by Dr. Maria deJ. Ellis.] 1. American Oriental Series 29 (New Haven, 1945).