Back-of-the-envelope calculation
volume
British pronunciation/bˈakɒvðɪˈɛnvəlˌəʊp kˌalkjʊlˈeɪʃən/
American pronunciation/bˈækʌvðɪˈɑːnvəlˌoʊp kˌælkjʊlˈeɪʃən/

"back-of-the-envelope calculation"এর সংজ্ঞা এবং অর্থ

Back-of-the-envelope calculation
01

গণনা সংক্ষেপে, খসড়া হিসাব

a rough estimate or calculation done quickly and informally, often using basic methods or assumptions
back-of-the-envelope calculation definition and meaning
IdiomIdiom
InformalInformal

What 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
Example
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I do n't need the exact amount.
আমি সঠিক পরিমাণের প্রয়োজন নেই। শুধু আমাকে গণনা সংক্ষেপে, খসড়া হিসাব দাও।
We did some back-of-the-envelope calculations to estimate the cost of the project.
আমরা প্রকল্পের খরচ অনুমান করার জন্য গণনা সংক্ষেপে, খসড়া হিসাব কিছু করেছি।
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