THE publication of these tables helps to mark a change in the use of logarithms, both for teaching and practical purposes. Nowadays most teachers use four-figure tables for teaching purposes, even in ...

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” ...