From Longman Dictionary of Contemporary Englishcalculate on something phrasal verbDEPEND ON/RELY ONif you calculate on something, you are depending on it for your plans to succeed We’re calculating on an early start.calculate on somebody/something doing something Ken hadn’t calculated on Polson refusing his offer. → calculate→ See Verb table
Examples from the Corpus
calculate on somebody/something doing something• Ken hadn't calculated on Williams refusing his offer.• In addition project outcome correlations with project-independent variables were calculated on the pooled data.• Obviously he was calculating on the basis of marginal costs of running the car, but this is what all motorists do.• Payments are calculated on the basis of the worker's age, length of continuous service, and pay.• Rebuilding costs might be calculated on a rule of thumb basis but the assumptions would be relatively arbitrary.• The annual budget was calculated on a historical basis of costs from previous years.• This figure is calculated on the assumption that an album retails for just under £7.• Thus, relative risks were calculated on 130 patients. 