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 ...

(1) FOUR plates contain five figure tables of 10 x,10 10 x, arc sin 10 x, arc tan 10 x. The four slides consist of tables of 10 x 10-x, 10 2 x. By aligning the slides on the appropriate plate all the ...

We consider a method of estimating an unknown regression curve by regression on a combination of low-order polynomial terms and trigonometric terms. Estimation based on trigonometric functions alone ...