Joys! Another post on the intricate un-wonders of Microsoft Excel. As all those who are unlucky enough to be Excel fiends know, there is enough about it that is a right royal pain in the ass. Anything that can make working with it a little easier has surely got to be welcome. Especially if it's free, given it's not always easy to get employers to actually give you anything involving £, and it feels morally wrong to make a personal investment into the mysterious lands of numbers in squares.

With that in mind, here's the Poorhouse's current top 3 free downloadable addons for others who spend double-digit hours a day inside this most gridular of programs. All guaranteed working for at least Excel 2003, and probably other versions too.