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1,000 Years of Calculators

In this lecture, Professor of Geometry Harold Thimbleby explores the...

A lecture to mark the publication of Professor Barrow's latest...

During the late 19th century, British and American organisations such...

Karl Pearson, as well as being the Gresham Professor of...

Ordinary logic is binary: a statement is either true or...

One of the most spectacular displays in the whole of...

For 100 years up to the end of the 19th...

In 1734 Bishop Berkeley published a witty and effective attack...

While ideas are undoubtedly more important than mere notations, the...

If we count the number of vertices, v, on a...