All-in-one GST Calculator & Tool for Malaysian to check and verify GST Status based on GST No., Business Name or Business Registration ID. Do your GST calculation with fast number input and real time calculation. Fire up the app and you are ready to go. - Comes with a fully functional calculator with + - For GST calculation for Imports, you may adjust the GST rate and add import & excise duty on existing amount- We have added GST status lookup tool to help fellow Malaysian to quickly verify GST No. on receipts.