millify
Converts long numbers to pretty, human-readable strings
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'.
short-scale-units
A simple package providing helper functions for matching numbers with their _short scale unit_. And formatting the numbers, or the unit values
r-add
Just because javascript can't calculate with large or extreme precise float numbers. A cross-browser, numerically stable way to add numbers in javascript.