As title, QST Calculator is a simple calculator for the Quebec Sales Tax (QST/TVQ) as well as the GST. Dedicated for the daily shopping use of the Quebecers! Note: might be one cent different from actual value due to rounding method. 如题，QST计算器是一个简单的计算器，魁北克省销售税（QST / TVQ）以及GST。 专用于日常购物使用的魁北克！ 注：可能是由于四舍五入的方法，从实际价值的一分不同的。
Newest Update: - Added multiplication in calculator Old update: - Allow different color schemes - Fix the bug when Android asks for unneeded permission. - Now with minus sign in calculator keypad - Update Quebec tax from Nominal value to Effective value as per the change in 2013. (No difference in value whatsoever) - Fix the crashing bug caused by comma as decimal delimiter. Devices using full stop as delimiter do not need to upgrade.