The Joy of Data

Interesting, informative and entertaining programme on data that introduced me to William Farr,...

Read More

Pi Day 2016

Here are plenty of activities to use on pi day (March 14) – Monday in 2016. See also the...

Read More

The Unit Circle

Great fun making Sine wave from spaghetti. This GeoGebraTube file, diagram below, shows movement...

Read More

Find by Category