back-of-the-envelope calculation
rough calculation used to find the order of value of a variable rather then the exact value
Pronunciations
British English
/ˈbæk - əv - ðə - ˈɛnvələʊp ˌkælkjʊˈleɪʃn/Open converterAmerican English
/ˈbæk - ʌv - ðə - ˌɑnvəˌloʊp ˌkælkjəˈleɪʃən/Open converter
These IPA transcriptions are generated from the name above. Proper names may have other pronunciations, and current converter results may differ. How transcription works