IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the mid-twentieth century, ...

PERHAPS the best way of treating this work, which does not contain a single word of explanation, will be to give a summary of the tables contained in it. First we have proportional parts of all ...

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 ...

It's long been accepted that the ancient Greeks were responsible for developing the mathematical concept of trigonometry, but a new discovery indicates they weren't the first to figure it out after ...

Trigonometry is the branch of mathematics that explains the relationship between sides and angles of a triangle. In a right angled triangle the three sides are perpendicular, base and hypotenuse, as ...