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Back-of-the-envelope calculation
/bˈakɒvðɪˈɛnvəlˌəʊp kˌalkjʊlˈeɪʃən/
/bˈækʌvðɪˈɑːnvəlˌoʊp kˌælkjʊlˈeɪʃən/Back-of-the-envelope calculation
01
calcolo approssimativo, stima veloce
a rough estimate or calculation done quickly and informally, often using basic methods or assumptions
Idiom
InformalWhat is the origin of the idiom "back-of-the-envelope calculation" and when to use it?
The idiom "back-of-the-envelope calculation" originates from a common practice in which people perform quick calculations or estimations on the back of an envelope or a scrap of paper when they don't have access to a calculator or formal tools. This practice is often associated with simplicity, informality, and rough estimations. This idiomatic phrase is used to describe a rough, simplified, or quick estimation or calculation, typically done without using precise data or detailed analysis.
Example
I do n't need the exact amount.
Non ho bisogno dell'importo esatto. Dammi solo una stima veloce.
We did some back-of-the-envelope calculations to estimate the cost of the project.
Abbiamo fatto alcune stime veloci per stimare il costo del progetto.
Parole Vicine
