On 16 Jul, 23:24, gwh <ghug...@cei.net> wrote: > On Jul 14, 10:30 pm, arithmeticae <djes...@gmail.com> wrote:
> Maybe not in "any text on numbers", but back in 1945 I purchased a > copy of "Handbook of Engineering Fundamentals", by Eshbach, and the > cube root extraction scheme described there was precisely the same as > the scheme described on one of the links given on the above website. I > used that method lots of times in my engineering career when I needed > more precision than my trusty log-log duplex decitrig slide rule was > able to give me.
Yes, you can find interesting pre-computer techniques in old maths books - even the" texts on numbers". Was there a reference to to the originator of the method ?