Zero tracking error trumps total return as the performance standard.

FORBES: Getting Over Index Investing With A Better Way

However the mandate is enforced -- as a tax or as a penalty -- it is a rounding error in the total tax increases in the Affordable Care Act.

CNN: Tax or penalty, does it matter for Romney and Obama?

Nowhere does it mention that U.S. manufacturing jobs peaked in 1979 (well before trade with China was more than a statistical rounding error in our total trade figures) and has been trending downward ever since.

FORBES: Media Darken Americans' Perceptions of Trade

He said the council did not know the total number of texts sent in error, but was investigating.

BBC: Norfolk school closures text and email alerts suspended

And keep in mind that while the spread between the two projections represents real money, it is margin-of-error stuff when it comes to the size of the federal budget and total health spending.

FORBES: Move up http://i.forbesimg.com t Move down

As a store manager he was used to tallying up figures, but when he hit the total key he saw at a glance that he had been careless and made an entry error.

NPR: Weak Housing Market May Not Be Signal to Buy