This is a video on demand for Jakub, who searched for a solution of the problem with numbers in cells that contained spaces, brackets and more. Look in the manual for a final solution using functions and removing spaces. The results are only numbers that can be used to create simple chart. If this guide has helped you, become a fan on Facebook and recommend this site to your friends, it can be useful for them too.
Please note that this tutorial is presented in czech language.
Source file can be downloaded here.