Inside school as pictures reveal maths equations still on blackboard Inside school as pictures reveal maths equations still on blackboard Inside school as pictures reveal maths equations still on ...

The author of a book looking at the maths hidden within episodes of the ... found the solution written on a blackboard in front of Homer during a 1998 episode of the long running cartoon.

AN abandoned school with decades-old maths lessons still on the blackboards is up for sale. The derelict Pool Board School in Cornwall closed in 2003 after more than 100 years of education.