Calculator is very good app to calculate any accounts. Very fast n easy calculation. We make CALC gives you functions that you can see in calculator and GST CALCULATOR with New GST Tax Rate Calculations by Click. 

Calculator is a full replacement for your stock calculator, we recommend you disable the one that came with your phone.
 I remember everything you calculate, and let you review it anytime, making me perfect for shopping, doing homework, balancing checkbooks, or even calculating taxes. 
Life is so easy with this calculator. Handle your account very easily. Quick calculation.