What are Logarithms: Complete Explanation A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented ...

Femcifrede Logaritmer og Antilogaritmer (Five Figure Tables of Logarithms and Anti-Logarithms). By A. K. Erlang. Udgivet ved (edited by) R. E. H. Rasmussen. Pp. 48.