For example, if they find an inscription "matfyz is the best school in prague", they know that the building was founded at latest in year "MCLI", i.e., 1151. The archaeologists would in that case like to know at least the latest date in that the building could be constructed, by determining the largest numeral that can be encoded in an inscription in this way. However, the inscription often gets damaged and it is no longer clear which of the letters were emphasized. For example, a building with inscription "Matfyz is the best schooL In prague" was clearly founded in year "MLI", i.e., 1051. In middle-ages, the year a building was constructed was often indicated in an inscription: some of the characters in the inscription were emphasized, and when these characters were concatenated, they formed the number of the year in roman numerals. Also, it is forbidden to use, e.g., "IC" for 99. Note that at most three consecutive characters "I", "X" or "C" may appear in the numeral, and each numeral contains characters "V", "L" and "D" at most once, but arbitrarily many "M"'s may appear in it. So the Roman numeral representations for 24, 39, 44, 49, and 94 are "XXIV", "XXXIX", "XLIV", "XLIX", and "XCIV", respectively. The exceptions to this rule occur for numbers having units values of 4 or 9, tens values of 40 or 90, and hundreds values of 400 and 900. For example, the number 3 is represented as "III", and the value 73 is represented as "LXXIII". Here, in this article, let us learn in detail how to write the numerical. Roman Numerals are used for labelling or naming anything. Learning the conversion of roman numerals to numbers and vice versa enhances students’ skills in Mathematics. To represent other values, these symbols, and multiples where necessary, are concatenated, with the smaller-valued symbols written further to the right. The system of writing numbers using Roman alphabets is known as Roman Numerals. These symbols represent the decimal values 1, 5, 10, 50, 100, 5, respectively. Roman numerals are represented by a string consisting of characters "I", "V", "X", "L", "C", "D" and "M".
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