Use the switch button to enable full functionality
For more extensions:
(Mozilla) https://addons.mozilla.org/en-US/firefox/addon/currency-converter-affiliate/
(Opera) https://addons.opera.com/en/extensions/details/affiliate-shopping/
(Chrome) https://goo.gl/fHfW95
(Opera) https://goo.gl/sW1Wl2
-> By using this extension you can know the value of your currency with their symbols
-> By Using this extension you can know the IRCTC pnr status
-> By using this extension you can calculate simple interest
-> By using this extension you can calculate compound interest
-> By using this extension you can also do the affiliate shopping (for this you need click on the switch toggle)
-> By using this extension you can know your age with number of years, months, days and minutes.
-> By using this extension you can calculate number of days in between 2 dates.