ошибка в расчёте; просчёт(Investors were spooked by the scale of the apparent miscalculation, combined with a July downgrade of Bank of Moscow by credit-rating agency Moody's and a drop in its share price. TMT Alexander Demidov); неверная оценка(1. a mistake made in deciding how long something will take to do, how much money you will need etc 2. a wrong judgment about a situation. LDOCE. The project went over budget because of a miscalculation at the planning stage. CALD Alexander Demidov); ошибка в счёте