millify
Converts long numbers to pretty, human-readable strings
js-big-decimal
Work with large numbers on the client side. Round them off to any required precision.
fastfile
fast cached read write of big binary files
approximate-number
Converts numbers into a more human-friendly format, similar to `ls`'s `--human-readable` flag (`ls -lh`) or Stack Overflow's reputation numbers. For example, 123456 becomes '123k'.
