In a recent study, mathematicians from Freie Universität Berlin have demonstrated that planar tiling, or tessellation, is ...

This week's tutorial covers a number functions in Google's Spreadsheet app, Google Sheets. Here we take a practical look at using weekdays in calculations, introduce "if" statements and learn how to ...

One useful feature of the Python math module is quick access to mathematical constants. You can make Python more effective as ...

The real power of an OpenOffice spreadsheet comes from the time-saving and analytical abilities delivered through the use of formulas. Keeping your data consistent and predictable, however, requires ...