"Q.E.F.," sometimes written "QEF," is an abbreviation for the Latin phrase "quod erat faciendum" ("that which was to be done"). It is a translation of the Greek words used by Euclid to indicate the end of the justification of a construction, while "Q.E.D." was the corresponding end of proof of a theorem (cf. Heath 1956, pp. 124-129).
Vastaukset 4
Vanhimmat
En tiedä mitä QEF tarkoitaa mutta ilmailussa käytetään termiä QFE joka tarkoittaa sen lentokentän vallitsevaa ilmanpainetta johon olet menossa
http://www.qef.ie/company/hist.html
"Q.E.F.," sometimes written "QEF," is an abbreviation for the Latin phrase "quod erat faciendum" ("that which was to be done"). It is a translation of the Greek words used by Euclid to indicate the end of the justification of a construction, while "Q.E.D." was the corresponding end of proof of a theorem (cf. Heath 1956, pp. 124-129).
http://filext.com/detaillist.php?extdetail=QEF