It's not an easy thing; frankly, if I have to back convert to prior times when the Calendar was still in use, you have to just swallow the pill
However, if using the calendar in day to day life, the Revised System is much easier.
To quote Wikipedia:
leap years being every year divisible by 4, except years divisible by 100 and not by 400. Years divisible by 4000 would also be ordinary years. This calendar also has the benefit that every year in the third century of the Republican Era (1992–2091) begins on 22 September.
However, if using the calendar in day to day life, the Revised System is much easier.
To quote Wikipedia:
leap years being every year divisible by 4, except years divisible by 100 and not by 400. Years divisible by 4000 would also be ordinary years. This calendar also has the benefit that every year in the third century of the Republican Era (1992–2091) begins on 22 September.