How to do calculation in xaml while binding?

Question

I can bind a label to a slider as shown below:

How do

Answer 1

You cannot do the calculation in XAML, you could however apply some converter which does it for you.

This question might be relevant: How do you change a bound value, reverse it, multiply it, subtract from it or add to it?

Answer 2

There are already a few projects which bring expressions to Bindigs, e.g. see CalcBinding or QuickConverter.