Calculator with History & GST

Simple to use GST (Goods and Services Tax) calculator with tax rates of (3%, 5%, 12%, 18%, 28%). Swipe the top button row to the right to access the gst buttons panel. Pressing any of the button from the panel will give you proper breakdown of (added or subtracted )Tax, CGST and SGST.

On pressing the '=' button each calculation will be saved to history with current date and time for your convenience. Access the history memory by pressing the 'Hist' button at the top right of the button row.

On 'History' activity there is a list containing your saved calculations with a share button for each item. To copy any history item just press on it and the calculation will be pasted to the calculator main screen.

You'll be asked to pick a background on the first time app launch, if you want to change background again then open the left navigation drawer menu and click on 'change backgrounds'.

On the navigation menu you have the option of turning on/off button sound, switching between normal and night mode and accessing the app setting.

On the app 'Settings' page you have the option of setting the thousand separator with either Us or in Indian(Lakhs) format.
Next, you have a slider for setting how many digits you want the calculator to show after decimal.
Next you have option of increasing or decreasing the buttons and text size.

Below are some key features of the app:

Display
large display that shows full expression at the top of the display and the calculated result at the bottom.
example:
2+3+5=
ans:10

Calculates in the correct mathematical order
our calculator performs the calculations in the correct mathematical order.
example:
2+3*5-1=
16

Themes
comes with different themes or backgrounds

History or memory
the history/memory save is always very helpful. tap on history items to copy paste.

Multiple history calculation
you can even calculate multiple history items like:
history 1 + history 3 ÷ history 5

percentage calculation
correct calculation of percentage, example :
600 + 5% = 630
600 - 5% = 570
600 * 5% = 30
600 ÷ 5% = 12000

If you want to see any new features or report any bug feel free to mail us at rmacreation249@gmail.com

Background images are from pixabay.com