Science teacher Eva Acton with Sam O’Farrell, from Drumcree, on left, and on right, Connor Cassidy, whose project is the cleverly-titled ‘Gaitkeeper’.

Tired of out-of-memory errors derailing your data analysis? There's a better way to handle huge arrays in Python.

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...