The phrase "a calculation error" is correct and usable in written English.
It can be used when referring to a mistake made during a mathematical calculation or analysis.
Example: "After reviewing the report, we discovered a calculation error that affected the final results."
Alternatives: "a math mistake" or "an arithmetic error."
We believe it was a calculation error and that we should pay the correct amount.
Thousands of households face huge increases in mortgage payments after Clydesdale and Yorkshire banks uncovered a calculation error which meant some customers had been undercharged for years.
February 2005 — Math Error Results in Higher Dose of Radiation A patient received three treatments at a dose 83 percent higher than intended because of a calculation error.
An article on hedge funds in our May 28th issue ("Dead, or just resting?") contained a chart that was distorted by a calculation error.
SPORTSWEDNESDAY, PAGE D1 Obesity Figure Was Too High The Centers for Disease Control and Prevention said that its widely publicized estimate that 400,000 Americans die each year from obesity was too high because of a calculation error.
Meanwhile, Facebook said it had made a calculation error in Instant Articles, over-reporting by between 7percent and 88 percent since August of 2015.
He said that the agency "moved quickly to ensure that its residents were not hurt by this by granting rent credits and ensured that no one would be adversely effected by legal action stemming from a rent calculation error.
The city's public housing agency overcharged hundreds of welfare families because of a rent calculation error and took many of them to court, threatening them with eviction for failing to pay the higher amount.
Two studies reported apparent overconfidence in/from other nurses when either communicating instructions (as a cause of a wrong dose error) [ 42, 43, 45] or carrying out independent checks (a dose calculation error) [ 74].
To avoid a systematical calculation error in the case of repeated measurements per subject, the bias between methods was calculated according to a modified statistical approach by Bland and Altman for unequal numbers of replicates [ 22].
The rate of dose gradient is around 7.5% per mm at an SAD of 100 cm with 10 MV and 6 MV photon beams; therefor we adopt an action level for leaf position adjustment while leaf position error is larger than 1.5 mm, because this error leads to a dose calculation error around 3.5% (7.5% divided by 2).
