Some parts of this course are quite mathematical. To help with this, here are some direct links to maths OpenLearn courses. Open the link in a new tab or window by holding down Ctrl (or Cmd on a Mac) when you click on the link. Remember to return here when you have finished. Alternatively you may just want to bear these links in mind, and return to this page later, if you come across an activity that you need extra help with.
- everyday maths
- squares, roots and powers
- using a scientific calculator
In addition to this, for some of the calculations in this course, you might want to acquire a scientific calculator if you don’t already have one. A web search for ‘scientific calculator’ should quickly help. There are also free web applets available.