THE publication of Mr. Dufton's method will, I think, serve a useful purpose. It is a common exercise in schools to plot on squared paper, numbers and their logarithms to the base 2 (see Blame's ...

Logarithms are everywhere in mathematics and derived fields, but we rarely think about how trigonometric functions, exponentials, square roots and others are calculated after we punch the numbers into ...

The so-called frantic 50s and swinging 60s are decades meaning time spans of 10 years, but when we use that term decades in engineering, we are referring to numerical values in 10-to-1 ratios. “Ten” ...

ON the 23rd ult. you were good enough to publish for me a short account of a method of calculating a table of logarithms which any schoolboy might employ. I find that this method is described in a ...