Move By Measurent In Opposite Direction

When I want to move something by a measurement I've taken, but in the opposite direction, I would have to measure again in the opposite direction. That's a bit inconvenient. Would it be possible to add the option (#) to the commands to move in the opposite direction? Or maybe did I just not find it?

An option is added.

Thanks, but I should have made myself more clearly, sorry. I thought of an option like it is with grow/shrink selection or inc/dec something where the opposite is part of the same tool, but marked with an #-sign. This would make it more flexible, instead of having to switch it in the options menu. Again, my apologies!

I totally missed, that my suggestions were already implemented in one of the last versions. Thanks an awful lot! It works great!