notes on Roman Numerals July, MCMXCV ro is a translator and calculator, intended for use by anyone who wants to practise Roman numerals. It should run on any Macintosh computer. Here is a sample session, where "ro>>" is the prompt, followed on that line by what the user typed, and on the next line by the output: ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ro>> X X = 10 ro>> X+VI XVI = 16 ro>> 53 LIII = 53 ro>> 1995 MCMXCV = 1995 ro>> c+M+3 _ CMIII = 101003 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Documentation is also included in the program. ro was written by Bob Terrell. Please send comments to him at bterrell@math.cornell.edu