Table of Logarithms and Anti-logarithms (Four Figures), 1 to 10,000. Arranged by Major-Gen. J. C. Hannyngton. Pp. iv + 41. (London: C. and E. Layton, n.d.). Price 1s ...

Astronomers prepared tables of trigonometric functions (especially for triangles on a sphere) from ancient times. With the introduction of the printing press, and the rapid decrease in the cost of ...

Spherical trig requires various multiplications of ... In the 17th Century, men spent months calculating accurate logarithm tables to 8 or 10 decimal places, way more precision than necessary ...