It seems that all the “new improved” math teaching methods tried over the years, are not so improved after all Many students are entering university not even knowing where they are on a world map.

Richard Elwes reports on Harvey Friedman’s fascinating work on incompleteness in Boolean relation theory, but it is quite a stretch to extend his work to ask “are the rules of arithmetic… unsound?” ...

For novices, functions are one of the most intimidating features of OpenOffice.org's Calc. Newcomers quickly learn that functions are a main feature of spreadsheets, but there are almost four hundred, ...