THIS is a good elementary text-book, founded on the work by M. E. Lagout (“Takimetry”), which we have already noticed (NATURE, vol. xvi. p. 226). The ground covered by the work before us is not quite ...

(1) CHRISTIAN VON STAUDT'S “Beiträge zur Geometrie der Lage” was published so long ago as 1857; about the year 1871 Felix Klein wrote a series of papers emphasising the fact that it is possible to ...

Mathematics in Mesopotamia : Where did mathematics begin? ; Political history in Mesopotamia ; The number symbols ; Arithmetic operations ; Babylonian algebra ; Babylonian geometry ; The uses of ...