Base Currency Symbol on POS and Web App instead of "Rs"

Hi Team,

Need the Base Currency Symbol on POS and Web App instead of "Rs" .

For example : On POS billing screen and Back office transaction Ledger posting We are showing the currency symbol by default "Rs" but required the symbol of base currency here ,its very important for those customer who is having the international operation.

Warm Regards,

R.Kanagaramu.