Accuracy is generally an important consideration in computer chips, but a team of researchers led by Rice University are touting a new "inexact" chip (dubbed PCMOS) that they say could lead to as much as a fifteen-fold increase in efficiency.

ENGADGET: Researchers tout efficiency breakthrough with new 'inexact' chip

To be fair, creating a list like this is at best a very inexact science.

FORBES: Magazine Article

In the extremely inexact science of deciding a soccer player's value, the one thing that most Premier League teams can agree is that they want players with Premier League experience.

WSJ: English Premier League

Rising sea levels, salination of fresh water, droughts, floods... the maths of future climate impacts are inexact, but on a global scale the costs are likely to rise, not fall - and by far more than the costs borne by highly profitable Chinese airlines as they fly inside the EU's climate policy umbrella.

BBC: EU's aviation charge is a drop for China's airlines

Spreadsheets spit out results from your inexact assumptions and give you a false sense of security.

FORBES: Naveen Jain - Top Ten Lessons for an Entrepreneur

They also employ algorithms to determine the fair value of each listed property, lending some rigor to a once-inexact science.

FORBES: Finding Value in the Economic Downturn

To be sure, calculating a brand's real contribution to the market cap of a company is an inexact science.

FORBES: Magazine Article

Financial historians point to 1937 as a rough parallel but it's an inexact one and, despite one of the greatest stock market rallies ever, few traders came out on the right side of it.

BBC: City Diaries: 4 June