Wow, that's an elegant solution! I also have a difficult time reading large numbers without commas. Because I use Alfred (mac command launcher) quite a bit, I

Wow, that's an elegant solution! I also have a difficult time reading large numbers without commas. Because I use Alfred (mac command launcher) quite a bit, I wrote up a simple workflow to re-display selected numbers with commas. Not as universal as the font-based solution but might be useful to some: https://github.com/abhik/tres-commas https://github.com/abhik/tres-commas