=SI(ENT((SI(F3<>0;F3-D3;AUJOURDHUI()-D3))/365,25)>0;ENT((SI(F3<>0;F3-D3;AUJOURDHUI()-D3))/365,25)&" an"&SI(ENT(MOD((SI(F3<>0;F3-D3;AUJOURDHUI()-D3))/365,25;1)*12)=1;"";"s ");"")
& SI(ENT(MOD((SI(F3<>0;F3-D3;AUJOURDHUI()-D3))/365,25;1)*12)>0;ENT(MOD((SI(F3<>0;F3-D3;AUJOURDHUI()-D3))/365,25;1)*12)&" mois ";"")
& SI(ENT(MOD(SI(F3<>0;F3-D3;AUJOURDHUI()-D3);(365,25/12)))>0;ENT(MOD(SI(F3<>0;F3-D3;AUJOURDHUI()-D3);(365,25/12)))&" jour"&SI(ENT(MOD(SI(F3<>0;F3-D3;AUJOURDHUI()-D3);(365,25/12)))>1;"s";"");"")