Purpose of the system:

Budget and personal finance software

Functional requirements:

Accounts

The Accounts can be different types: income, outcome, mixed. It’s a dictionary. For example: job1, job2, bank_card1, bank_card2, deposit1, deposit2, clothing, housing, sport, foods, vehicle

Ledgers

The ledger is operation of transition money from one Account to another also its have date and comment. For example:

• user get salary, the ledger will be: job1 -> bank_card1 X
• user buying sneakers, the ledger will be: bank_card1-> clothing X
• user buying foods, the ledger will be: bank_card1-> foods X
• user refueling a car, the ledger will be: bank_card1-> vehicle X … and so on

Account Personal Page

Some accounts have personal flag. Program calculates amount money on each Account Personal on current date (or chosen date). Program use Ledgers for calculations. For example:

• user can see money sums on bank_card1, bank_card2

Account Personal Page Report

This mini report customizable by user summarizes and display some personal accounts.

Report Months Totals

Calculates on each past months incomes\outcomes\delta\total of all personal accounts

Report Income details

Calculates on each past month income by source (+chart) For example: job1, job2, income from deposit1

Report Income details

Calculates on each past month outcome by destination (+chart) For example: clothing, housing, sport, foods, vehicle

Use case:

• User customize accounts
• Put every operation in ledgers
• See reports and totals