Usability of default Atreus configuration / placement of Fun key

[MightyHawk]

See if you like my configuration which has a dedicated key to switch back and forth between the numeric keys:

My keyboardio Atreus configuration optimized for numeric entry

I have had my Atreus for about 3 months now and I have finally settled on my preferred set of key mappings and thought I would share them. Suggestions for improvements are certainly welcome. To understand the rationale for my mappings, realize that I spend a lot of time writing writing code and using Excel. So my key priority was to setup up a good numeric pad on Layer 1, which allowed me to do just about everything numeric with the right hand. Layer 0: Characters I started with the standard …