Smart Banking & Spending Tracker System in C#

This project is a Smart Banking and Supermarket System developed using C# as a console application. It simulates real-life banking operations combined with a weekly spending tracker.

Key Features:

Created a customer registration system including:

User ID, branch code, and transaction ID

Username with nickname generation

Age calculation based on birth year

Implemented basic account security:

Account number formatting

PIN setup with default value handling

Built core banking operations:

Deposit functionality

Withdrawal with balance validation

Balance inquiry

Added loan installment calculator to compute monthly payments

Simulated daily interest calculation using random values

Developed a weekly spending tracker:

Store 7-day purchases and item names

Calculate total, average, highest, and lowest expenses

Display formatted receipt of purchases

Applied string manipulation and formatting (uppercase, replace, currency format)

Designed an interactive service menu using switch-case

Technologies Used:

C#

Console Application

Arrays & Loops

Conditional Statements

String Manipulation

Basic Financial Calculations

This project demonstrates practical skills in problem solving, data handling, and building real-world simulation systems باستخدام C#.