ROMAN function
ROMAN Converts an arabic numeral to roman, as text.
Syntax
ROMAN (number, form)
Number is the Arabic numeral you want converted.
form is a number specifying the type of roman numeral you want.
Example
=ROMAN(499,0) returns classic roman numeral style for 499;CDXCIX.
=ROMAN(499,1) returns LDVLIV.
=ROMAN(499,2) returns XDIX.
=ROMAN(499,3) returns VDIV.