Simple GST Calculator for Mac

From Benjamin Green Coalition Enterprises:

Simple GST is designed to do a single job well: GST/VAT calculations.

Simple GST Calculator has quite a few features:

• It can calculate:
• Amount of tax, and the total price including tax, for up to, two seperate taxes¹ from the amount before tax
• The price before tax and the total price including tax, from the amount of tax, for up to, two seperate taxes¹
• The price before tax and and the amount of tax, from the total price including tax, for up to, two seperate taxes¹
• Support for two additive tax fields¹
• Give you the amount of tax, for two taxes¹, on any price
• Save calculations to the memory with totals for each field
• Unified interface - all functions are available from the one window
• Unified keyboard shortcuts for all commands including moving between tabs