Brian Dunning's FileMaker Custom Functions

RomanNumerals ( PageNumber )

Convert a page number to Roman Numeral format. (Text Result)

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Don Wieland   Don Wieland
DW Data Concepts
http://www.dwdataconcepts.com

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  Sample input:
RomanNumerals ( 4 )
  Sample output:
IV

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Convert the current page number to Roman Numeral format.

 

Comments

Andy Frazier   Andy Frazier, Mx4Px
Oct 14, 2016
As written, only goes up to 999. This will get it up to a million (by adding "M" and the overbar symbols for 5K+). Could keep going, but it's surprisingly hard to find RN equivalents of 5 million and up!!:
Case(
PN>1000000;"A million or less, please";
PN=1000000;Char(77300077);
Choose(Right(Int(PN/100000);1);"";Char(77300067);Char(77300067)&Char(77300067);Char(77300067)&Char(77300067)&Char(77300067);Char(77300067)&Char(77300076);Char(77300068);Char(77300068)&Char(77300067);Char(77300068)&Char(77300067)&Char(77300067);Char(77300068)&Char(77300067)&Char(77300067)&Char(77300067);Char(77300067)&Char(77300077))&
Choose(Right(Int(PN/10000);1);"";Char(77300088);Char(77300088)&Char(77300088);Char(77300088)&Char(77300088)&Char(77300088);Char(77300088)&Char(77300076);Char(77300076);Char(77300076)&Char(77300088);Char(77300076)&Char(77300088)&Char(77300088);Char(77300076)&Char(77300088)&Char(77300088)&Char(77300088);Char(77300088)&Char(77300067))&
Choose(Right(Int(PN/1000);1);
"";"M";"MM";"MMM";"M"&Char(77300086);Char(77300086);Char(77300086)&"M";Char(77300086)&"MM";Char(77300086)&"MMM";"M"&Char(77300088))&
Choose(Right(Int(PN/100);1);
"";"C"; "CC";"CCC";"CD";"D";"DC";"DCC";"DCCC";"CM") &
Choose(Right(Int(PN/10);1);
"";"X";"XX";"XXX";"XL";"L";"LX";"LXX";"LXXX";"XC") &a
 

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