Fortran
noun[U]
IT(alsoFORTRAN)uk/ˈfɔːtræn/usabbreviationforformulatranslation: alanguageused to writecomputerprograms,especiallydevelopedformathematicalandscientificcalculations:
More than 50yearsafteritsdebut,updatedversionsof Fortran are still used today.