TY - JOUR T1 - On an Improved Bimodular Method of Computing Natural and Tabular Logarithms and Anti-Logarithms to Twelve or Sixteen Places, with Very Brief Tables JF - Proceedings of the Royal Society of London (1854-1905) VL - 31 SP - 381 EP - 398 PY - 1880/01/01/ UR - http://dx.doi.org/10.1098/rspl.1880.0053 M3 - doi:10.1098/rspl.1880.0053 AU - Ellis, A. ER -