Monthly Expense Calculator

This application allows user to easily calculate bill for a month. E.g. If user wants to calculate news paper bill, monthly milk bill, or any other monthly bill then it can be calculate in few seconds very easily.
It allows user to set bill amount
for all days of months in one go. (by pressing on month name at left top corner cell)
for all days in a particular week (e.g. first week or second week of month, etc.) (by pressing on week number)
for all occurrences of a day in a month (e.g. all Mondays or all Fridays like that) (by pressing on week day)
for any single date of a month (by pressing any date of a month)

Example:
Let's say user wants to find out how much is the total monthly bill of the news paper for month of May 2013.
Every day news paper cost amount 0.4$
Sunday news paper costs 0.6$
On 1st of every month user buys additional monthly booklet that together with news paper costs 1$
On entire 4th week user was out of town so no newspaper bill was charged for that week.

See how easily we will calculate the entire month bill amount.
Run the application. click on month and on the dialog that appear enter 0.4 cents and save.
Immediately amount is shown for entire month and total amount 12.4 is displayed at right bottom cell.
Click on Sunday and change the amount in dialog to .6$ and save. Total bill amount is refreshed to 13.2
Click on 1st and in dialog enter amount 1$ and save. Bill amount is updated to 13.8
Click on week 4 (W 4) and in the dialog remove the amount and save it. For all days in week 4 amount is removed and bill amount is updated. It now shows 10.8 and that is final bill amount.

We got fast and accurate results. We can similarly calculate bill for other items also.

By clicking the navigation buttons or with swipe user can move from one month to other. When user moves between the months the contents (amount entered for dates) is saved and restored when user come back to the same month.