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, ...

The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...

Republicans faced mockery in the last few years for inventing their own words. Rep. Paul Ryan did them one better. He invented his own math. An hour after its birth, his budget was hailed as a ...