Easily calculate GST, VAT, CT for any amount! Totally free!!

This app is designed to calculate the inclusive of sales tax, exclusive of sales tax and the tax value for a given amount while allowing you to specify the tax percentage you want to use.
This allows you to customise the values for any country or situation. Perfect for working out how much you can get back while travelling to see how much money you can have refunded or simply to see what the exclusive value for a purchase would be.

You could even use STC to calculate simple payroll calculations that are percentage based.

Features:
- Set a custom tax rate
- Allow changing between Inclusive and Exclusive with the touch of a button
- All entered values and selections are saved for quick access next time you open the app
- Results calculated as you type
- Works with large numbers
- Share the calculation by Email, Twitter, Facebook

** Please note that this is intended as a guide only and is not professional tax advice **