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Roman to Arabic - IN-108, 12:30-3:30p.m. - Class Project -Michelle Edmondson

Roman to Arabic - IN-108, 12:30-3:30p.m. - Class Project -Michelle Edmondson. -Mohamed Irshard Fahim -Chathuranga Sampath Kuruppuarachchige -Thomas L Phillips -Sandesh Shrestha. Roman Letters:. M = 1000 D = 500 C = 100 L = 50 X = 10 V = 5 I = 1. USAGE HISTORY.

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Roman to Arabic - IN-108, 12:30-3:30p.m. - Class Project -Michelle Edmondson

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  1. Roman to Arabic-IN-108, 12:30-3:30p.m.-Class Project-Michelle Edmondson -Mohamed Irshard Fahim -Chathuranga Sampath Kuruppuarachchige -Thomas L Phillips -Sandesh Shrestha

  2. Roman Letters: • M = 1000 • D = 500 • C = 100 • L = 50 • X = 10 • V = 5 • I = 1

  3. USAGE HISTORY • In general, Roman numerals can be converted mathematically by simply assigning a numerical value to each letter, and adding them left to right in order of decreasing value to get the total: • the total is then calculated by adding the numerical values of all the letters in the sequence. For example, MDCLXVI = 1000 + 500 + 100 + 50 + 10 + 5 + 1 = 1666.

  4. A well-known, but still often confusing feature of modern Roman numerals is the subtraction principle, which requires that a lower numeral appearing before a higher one be subtracted from the higher value, not added to the total. For example, XIX represents the number 19 (X + IX, or 10 + 9) rather than 21, which is written as XXI (10 + 10 + 1). Likewise the Roman numeral for the year 1995 is usually written as MCMXCV (M + CM + XC + V, or 1000 + 900 + 90 + 5).

  5. Another present-day convention is the avoidance of more than three consecutive occurrences of the same letter in favor of the more succinct forms achieved by using the subtraction principle -- for example, IV for IIII (4), XL for XXXX (40), and CD for CCCC (400). An exception is the numeral M, or 1000, which is used 4 times to represent our number 4000, since the Romans had no single-letter numeral representing a higher value than M. It is now also customary not to repeat the values V, L, or D (5, 50, or 500) in the same numeral.

  6. WELCOME SPLASH SCREEN

  7. MESSAGE BOX

  8. ROMAN NUMERAL CONVERTER

  9. CODING THE CONVERT BUTTON

  10. END SPLASH SCREEN

  11. CREDITS: • Christopher Handy. http://204.120.164.5/~charta/Roman_numerals.html • THE END

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