Wanna know what this year's Super Bowl Roman numeral was? Wanna know what it'll be next year or twenty years from now? What about what it was when you were born? This calculator can be used to find out those and many more things involving Roman numerals. Using this app, you can convert normal Arabic numbers and Roman numerals back and forth, and further; you can perform any calculation using any combination of either number system at the same time. It includes a dynamic keyboard that'll keep you from trying impossible calculations (or just breaking the app).