<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The numeric system represented by Roman numerals originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages . Numbers in this system are represented by combinations of letters from the Latin alphabet . Roman numerals, as used today, are based on seven symbols: </P> <Dl> <Dd> <Table> <Tr> <Th> Symbol </Th> <Td> </Td> <Td> V </Td> <Td> X </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Value </Th> <Td> </Td> <Td> 5 </Td> <Td> 10 </Td> <Td> 50 </Td> <Td> 100 </Td> <Td> 500 </Td> <Td> 1,000 </Td> </Tr> </Table> </Dd> </Dl> <Dd> <Table> <Tr> <Th> Symbol </Th> <Td> </Td> <Td> V </Td> <Td> X </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Value </Th> <Td> </Td> <Td> 5 </Td> <Td> 10 </Td> <Td> 50 </Td> <Td> 100 </Td> <Td> 500 </Td> <Td> 1,000 </Td> </Tr> </Table> </Dd>

What does u stand for in roman numerals
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