Exponent add-and-subtract rounds numbers correctly. But it has a fatal flaw—for input values smaller than 1e-6, it returns NaN. Permission is hereby granted, free of charge, to any person obtaining a ...

That's what this module accomplishes. There are a bunch of modules in npm for rounding but I couldn't find any that satisfied all of these criteria: Round-half-up: This algorithm, which may also be ...

number is any numeric expression. If the fractional portion of number is .5 or greater, the argument is rounded to the next highest integer. If the fractional portion of number is less than .5, the ...