ROMAN(number[,type])
ROMAN . @number -- , , @type -- .
@type = 0 , ROMAN . 1 , 2 1, 3 2. 4 - .
@number <0 @number > 3999, ROMAN #VALUE!.
Excel.
ROMAN(999) CMXCIX.
ROMAN(999,1) LMVLIV.
ROMAN(999,2) XMIX.
ROMAN(999,3) VMIV.
ROMAN(999,4) IM.