Under today's rules we write out the equivalent of 29 into Roman numerals as XXIX
But under the Roman rules 29 was XXVIIII
*By roman rules I assume you mean Roman Numerals. Romans wrote out 29 as XXIX, the same way they work today.
The Roman numeral XXIX represents the number 29
(xxix)cmxcix
Under today's rules now governing the Roman numeral system, that were introduced during the Middle Ages long after the collapse of the Roman Empire, the equivalent of 29 when converted into Roman numerals is now considered to be XXIX but the ancient Romans would have notated it quite differently.
XXIX-January
Today we would write them out as: VIII-XXIX-MCMXCIII
XXIX is the number 29 in Roman numerals. XXIX (29).
XXIX V MMXIII
In today's modern notation of them they are IV, XXIX and LXXXI respectively
Converting between Arabic and Roman Numbers we get : roman numeral of 29 is : xxix
Under today's rules governing the Roman numeral system it would be:- XXIX-XII-MMIX
VIII-IXXX-MMVIIImproved Answer:-In today's terms: VIII-XXIX-MMVII
XXIX.IIV.MCMXXCV or XXIX JULIUS MCMXXCV