1, 0.00244

mode=0 Normal

• (1900)
  • " M C M "
    • 1900
  • " MCM "
    • 1900
  • "MCM"
    • 1900

• (2013)
  • "MMXIII"
    • 1900

• (test)
  • .
    • X̅̅̅I̅̅̅I̅̅̅ CCCXLV |VI| LXXVIII CMI Input is 5,000,000,000 (5e9) or greater

• (Errors)
  • "XXXXX"
    • 50 Roman numeral usage errors: More than four X in a row, suggestion: L? - roman numeral 5, char 5
  • "VV"
    • 5 Roman numeral usage errors: V cannot be with another V, suggestion: X? - roman numeral 2, char 2
  • "XM"
    • 990 Roman numeral usage errors: M cannot follow X (Subtraction can only be within the same digit) - roman numeral 2, char 2
  • "LC"
    • 50 Roman numeral usage errors: C cannot follow L (Cannot subtract from 50) - roman numeral 2, char 2
  • "XXXL"
    • 20 Roman numeral usage errors: Number of X before X must be at most two - roman numeral 4, char 4
  • "LCXXXXVV"
    • 95 Roman numeral usage errors: C cannot follow L (Cannot subtract from 50) - roman numeral 2, char 2; V cannot be with another V, suggestion: X? - roman numeral 8, char 8

mode=1 Force no error

• (1900)
  • " M C M "
    • 1900
  • " MCM "
    • 1900
  • "MCM"
    • 1900

• (2013)
  • "MMXIII"
    • 1900

• (Errors)
  • "XXXXX"
    • 50
  • "VV"
    • 5
  • "XM"
    • 990
  • "LC"
    • 50
  • "XXXL"
    • 20
  • "LCXXXXVV"
    • 95

Can show all details

default: mode=2 mode=2|disp=Decimal number: \n, Errors \e, Time \t

• (1900)
  • " M C M "
    • Decimal number: 1900, Errors , Time 0.0119
  • " MCM "
    • Decimal number: 1900, Errors , Time 0.01232
  • "MCM"
    • Decimal number: 1900, Errors , Time 0.0127

• (2013)
  • "MMXIII"
    • Decimal number: 2013, Errors , Time 0.0131

• (Errors)
  • "XXXXX"
    • Decimal number: 50, Errors Roman numeral usage errors: More than four X in a row, suggestion: L? - roman numeral 5, char 5, Time 0.0136
  • "VV"
    • Decimal number: 5, Errors Roman numeral usage errors: V cannot be with another V, suggestion: X? - roman numeral 2, char 2, Time 0.0142
  • "XM"
    • Decimal number: 990, Errors Roman numeral usage errors: M cannot follow X (Subtraction can only be within the same digit) - roman numeral 2, char 2, Time 0.0146
  • "LC"
    • Decimal number: 50, Errors Roman numeral usage errors: C cannot follow L (Cannot subtract from 50) - roman numeral 2, char 2, Time 0.01498
  • "XXXL"
    • Decimal number: 20, Errors Roman numeral usage errors: Number of X before X must be at most two - roman numeral 4, char 4, Time 0.01538
  • "LCXXXXVV"
    • Decimal number: 95, Errors Roman numeral usage errors: C cannot follow L (Cannot subtract from 50) - roman numeral 2, char 2; V cannot be with another V, suggestion: X? - roman numeral 8, char 8, Time 0.01582

mode=2

• (2013)
  • "MMXIII"
    • [num]2013 [err] [time]0.01622