As a result of my current work I regularly get to see the underside of bridges, where the majority of people don’t go. Unsurprisingly, I get to see lots of graffiti, the majority of which is of the ‘Ian woz ere’ type. However, last week I encountered something slightly more unusual:

The answer to which is either 1.42 or 0.12, depending on how you interpret the use of the square root function.

More interesting to me was this:

Where someone has taken the time and effort to quote Pi to 22 decimal places, but after 3.14 has got it completely wrong. It seems strange to have gone to that effort and not do it properly. I have half a mind to go back with a spray can and correct it.

Posted in Photography |