Roman Numeral Converter Plus is a Roman-to-Arabic and Arabic-to-Roman numeral converter. keywords: Roman numerals, Arabic, Decimal, converter, calculator, Jelly Bean, JB, 4. 1. 1, 4. 2, Ice Cream Sandwich, ICS, 4. 0, Honeycomb, Gingerbread, KitKat, Kit Kat, free, solver, solve, evaluate, evaluator, Samsung G S3 SIII S4 Note Galaxy.