First we have proportional parts of all numbers up to 100; then on one page three-place logarithms of numbers and of the six trigonometric functions, natural and logarithmic.

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 ...

Trigonometry Table is a table that helps us to calculate the values of trigonometric ratios for common angles such as 0°, 30°, 45°, 60°, and 90°. But it is difficult to memorise the values.

THE object of the authors of this volume of mathematical tables is “to supply a comprehensive set of tables of the numerical values of the elementary functions which are in constant use in ...

These were made for the drawing table, the battlefield, ... From at least the nineteenth century, inventors devised special instruments for finding values of trigonometric functions. These were made ...