The logarithmic tables of Edward Sang and his daughters

Alexander Duncan Davidson Craik

Research output: Other contribution

2 Citations (Scopus)


Edward Sang (1805-1890), aided only by his daughters Flora and Jane, compiled vast logarithmic and other mathematical tables. These exceed in accuracy and extent the tables of the French Bureau du Cadastre, produced by Gaspard de Prony and a multitude of assistants during 1794-1801. Like Prony's, only a small part of Sang's tables was published: his 7-place logarithmic tables of 1871. The contents and fate of Sang's manuscript volumes, the abortive attempts to publish them, and some of Sang's methods are described. A brief biography of Sang outlines his many other contributions to science and technology in both Scotland and Turkey. Remarkably, the tables were mostly compiled in his spare time. (C) 2003 Elsevier Science (USA). All rights reserved.

Original languageEnglish
Publication statusPublished - Feb 2003


  • Edward Sang
  • Gaspard de Prony
  • Pierre Lefort
  • logarithms
  • mathematical tables
  • Scottish mathematics


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