You may use the Income Tax Return Calculator to help you fill out the Income Tax Return. You can enter the information that you write on the Income Tax Return and the calculator will calculate the Income Tax due to the Inland Revenue. This calculator will help you fill out the Income Tax Return for year ending 31st December 2008 (Year of Assessment 2009)
Help for the Income Tax Return calculator is available from here.

If you qualify for the Simple Tax Declaration you can still use the Tax Return Calculator to know the amount of tax payable to the Inland Revenue. Enter the amounts of your income into the Tax Return Calculator and it will return the amount of tax due to the Inland Revenue.

The information you supply to the Tax Return Calculator will be used for calculation purposes only and will neither be stored nor tracked in any way.