Terms

Ef (Cyrillic)

Ef is a letter of the Cyrillic alphabet corresponding to the letter Phi in Greek with a numeric value of 500. Greek Letter 21 = Phi = Ф Cyrillic Letter 23 = Ef = Ф
 
Unlike phi, however, it is transliterated as f, not ph.
 
File:Cyrillic letter Ef - uppercase and lowercase.svg
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