Changes

==Description==

==Description==

This function gives the  changing the one unit system to other unit system.  

*This function converts one unit system to another unit system.  

Example:To change the length in kilometer unit to standard unit meter, Here N is the value to which we want to covert from FU to TU. Also FU and TU will accept any units which we need to give in <math>" "</math>(double quotes). <br/>

*Example:To change the length in kilometer unit to standard unit meter.

*Here N is the value to which we want to covert from FU to TU.

*<math>fu<math> and <math>tu<math> will accept any units which we need to give in <math>" "</math>(double quotes). <br/>

This function show the result as Error:

This function show the result as Error:

#when the input value are incorrect

#when the input value are incorrect