Hello, my name is Heeja Lee, I am a student in CIS50 which is an online class. My interests are mostly with the data processing part, database system, and QA.
- Uses: get to know their expense
- Users: everyone who wants to know daily expense.
- what information they need from the system: money
- what information is available to the system: daily expense, monthly expense
--- The main customer for my system is me. Actually, the flow of my money.
Input - date, category of expense, price.
Output - how much I spend money for specific date. I would like to show output with graph.