Using tau you can use two-thirds tau to relate the volume of a sphere to the radius.

Personally I feel if they are unwilling to learn then they should be fired or at the very least have their computer use suspended until they do. If you are unwilling to learn to do somthing required of your job then it could result in serious monetary loss for your company and possibly life if it concerned safety regulations.

I am glad high schools in my area have decided to make a computer literacy class mandatory for graduation.