The "Income and Expenditure Notes" application is a personal financial management application, helping users easily record, track and analyze their income and expenditure. The application has main functions such as:

* **Wallet management:** The application allows users to create many different wallets to manage their funds, such as cash wallets, bank wallets, credit card wallets,...
* **Notes on income and expenditure:** The application allows users to record detailed accounts of their income and expenditure, including date, time, amount, content,...
* **Invoices:** The application allows users to store electricity, water, internet bills,... to track and manage expenses easily.

The "Income and Expenditure Notes" application is a personal financial management application worth using. The application is suitable for all audiences, from beginners to advanced users.