miscalculatorn.
/ˌmɪsˈkalkjᵿleɪtə/, U.S. /ˌmɪsˈkælkjəˌleɪdər/ A person who makes miscalculations.
ΘΚΠ
the mind > mental capacity > knowledge > conformity with what is known, truth > disregard for truth, falsehood > inaccuracy, inexactness > [noun] > in calculation > one who miscalculates
miscalculator1852
1852 Southern Q. Rev. Oct. 420 Can the lecturer stop the class..in order to instruct the miscalculator in the elementary principles of arithmetic? No.
1873 P. G. Hamerton Intellect. Life iv. ii. 153 Let us not think too contemptuously of the miscalculators of time.
1964 Amer. Hist. Rev. 69 1165 The author..steers a course somewhere between the Ramsdell Lincoln-as-provocateur thesis and the Randall-Potter Lincoln-as-conciliatory-miscalculator interpretation.
1993 Newsweek 25 Jan. 44/1 As a military man, Saddam Hussein is a strange piece of work and a master miscalculator.
This entry has been updated (OED Third Edition, June 2002; most recently modified version published online March 2022).
<
n.1852