What is a Leap Year?

I was going to answer this question myself, but then @Ms_Elevator posted a link to this, which does it better.

The Actual Maths

Mathematics in work: Energy & Environment Project Coordinator - As part of Cambridge Mathematics' *Interviews and Intersections* series, Energy & Environment Project Coordinator Zoe is interviewed about her work and l...
◼️ Tom⇒maths

How to Use a Spreadsheet to Batch-Upload Events to Your Calendar - The other day I posted... One of my favourite things I've discovered this year is using a spreadsheet to batch-add things to my calendar. Such a timesaver!...