ROMAN function
Description
ROMAN(number[,form]) converts the Arabic numeral number to Roman, as text. The optional parameter form is a number ranging from 0 to 4. The roman number can become more concise as the value of form increases. When this parameter is 0 (or is ommitted), the classic roman style is used.
Examples
ROMAN(499) returns the string value "CDXCIX"
ROMAN(499,1) returns the string value "LDVLIV"
ROMAN(499,2) returns the string value "XDIX"
ROMAN(499,3) returns the string value "VDIV"
ROMAN(499,4) returns the string value "ID"