News / Bearpit

Mathematical graffiti in the Bearpit

By Martin Booth  Tuesday Oct 1, 2019

Graffiti often gets a bad reputation, especially when it’s mindless tagging.

The latest graffiti in the Bearpit is a more cerebral work than most, however, with the famous mathematical constant pi written to almost 100 decimal places.

The number has been written on a side of a former toilet block in the Bearpit which has recently been repainted as part of the city council’s summer cleanup of the area.

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Bristol’s resident pi expert, Oliver Humpage, head of ICT at the Watershed who graduated with a mathematics masters degree from the University of Bristol, said that despite a few mistakes, the number “is accurate enough to calculate the width of the galaxy to the accuracy of a hydrogen atom”.

Here is Oliver explaining (and reciting) the significance of pi at an Ignite Bristol event on the SS Great Britain in 2011:

Read more: Crime falls by three quarters in the Bearpit since summer cleanup

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