Welcome to the first issue of Parabola Incorporating Function for 2011. The first article in, by John Perram, describes different meanings of equality. For example, we might write \( y=x^2+x+1 \) to define \( y \) or to represent an equation.
Since the last issue of Parabola Incorporating Function the mathematics world has been surprised by the appearance of a preprint, dated May 2011, by the German mathematician Gerhard Opfer who claimed to h
Welcome to a packed issue to close the year in 2011.
Congratulations to all of the students, their parents and teachers who had success in the 50th Annual UNSW School Mathematics Competition.