Long before the advent of electronic calculators, trigonometric tables were the easiest way to solve certain geometric problems. Essentially, users can take a known ratio of the sides of a right ...

It then gives tables to five places of values of the six trigonometric functions mentioned, as well as a table of decimal equivalents. In addition to this material, the pamphlet has a section on ...

Christel Hamann’s difference engine was a type of mechanical calculator made in the 1900s. It was automatic and could help ...

In the mid-twentieth century, American tool manufacturers sometimes distributed trigonometry tables that included advertisements for their products. This small paper pamphlet includes definitions of ...

The Plimpton 322 tablet We now know that the Babylonians studied trigonometry because we have a fragment of one of their trigonometric tables. Plimpton 322 is a broken clay tablet from the ancient ...

A 3,700-year old Babylonian clay tablet reveals an ancient method of constructing right-angled triangles that makes it the world’s oldest and most accurate trigonometric table.

“Our research shows it’s a trigonometric table so unfamiliar and advanced that in some respects it’s superior to modern trigonometry,” he said.

The Babylonians discovered a strange form of trigonometry The Middle Eastern civilization created a trig table 1,000 years before the Greeks.

A 3,700-year-old Babylonian clay tablet discovered by the real Indiana Jones has been revealed as the world’s oldest — and most accurate — trigonometric table. Mathematicians believe that the… ...

Ancient Tablet May Show Earliest Use of This Advanced Math A new study claims the tablet could be one of the oldest contributions to the the study of trigonometry, but some remain skeptical.