Convenient keys that you thought you knew but may be you didn't !

How to clear input errors smartly

Delete keys

How to count the total of multiple calculations

GT(Grand Total) key

How to make multiple calculations without taking notes

Memory keys

How to calculate using the same number repeatedly

Constant calculation

How to do rounding off easily

Round selector function

How to convert and calculate different currencies

Currency conversion function

How to set local consumption tax and make tax calculations easily

Tax calculation