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mis·cal·cu·la·tion | \ ˌmis-ˌkal-kyə-ˈlā-shən 
\
\ plural miscalculations
Definition of miscalculation
: a mistake in calculation : wrong calculation
a costly miscalculation … ruled that utility shareholders, not electricity consumers, must pay for some or all of the miscalculations that resulted in excessive expansion or cost overruns.— Peter Nulty
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Time Traveler for miscalculation
The first known use of miscalculation was in 1653
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