Definition:Acre/Mistake

Source Work

2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.):

acre

Mistake

In the metric system a hectare is approximately $0.4$ acre.

Correction

It is the other way about: an acre is approximately $0.4$ hectare.

In the $6$th edition, the entry on acre has been removed.

Sources

• 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): acre