1. Final, conclusive mathematical computations or results that are considered authoritative and not subject to further revision
The definitive calculations show that the project will cost $2 million.
Os cálculos definitivos mostram que o projeto custará $2 milhões.
2. Precise and conclusive numerical assessments used to determine final outcomes, budgets, or conclusions
After the definitive calculations were completed, the budget was approved.
Após a conclusão dos cálculos definitivos, o orçamento foi aprovado.