Intercepting the Fn key on laptops

Question

Sometimes when I work on Thinkpads/MSI laptops, the Ctrl and Fn key are swapped (Fn being the leftmost key), and it drives me nuts - I keep

Answer 1

On my HP laptop, for whatever reason, the designers decided to put a column of the quick-function media keys. So, at the bottom most-left corner of my keyboard is a calculator key, rather than the Ctrl key.

I found a piece of software called KeyTweak that I use to remap the calculator key to the Ctrl key.