/?rek.?n/mainlyUKtocalculatethetotalamountof something:She canreckonup abillfasterthan anycalculator.SMART Vocabulary: related words and phrasesCalculations & calculating
algebraic
algebraically
algo
algorithmic
amount
calculator
count
decimal system
formula
interpolate
matrix
miscalculation
multigrid
multigroup
multipole
non-commutative
number-crunching
QED
root
triangulation
See more results ?(Definition ofreckon something upfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/reckon-up##