<Tr> <Td> 1998 </Td> <Td> Excel 98 </Td> <Td> Old version, no longer supported: 8.0 </Td> <Td> Excel 6 and Excel 7 were skipped to correspond with the rest of Microsoft Office at the time . </Td> </Tr> <Tr> <Td> 2000 </Td> <Td> Excel 2000 </Td> <Td> Old version, no longer supported: 9.0 </Td> <Td> </Td> </Tr> <Tr> <Td> 2001 </Td> <Td> Excel 2001 </Td> <Td> Old version, no longer supported: 10.0 </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Excel 2004 </Td> <Td> Old version, no longer supported: 11.0 </Td> <Td> </Td> </Tr>

What is the meaning of $ in excel sheet