Tax Calculator desktop app built with C# and Windows Forms — features real-time tax computation, session history tracking, and layered input validation. First project in the WinForms self-practice series | Course 14 – C# Level 1 | Programming Advices Roadmap.

Text Encryption Form — C# desktop app using Caesar Cipher to encrypt and decrypt text with a bounded security key, clipboard copy, and timestamped history log. Second project in the WinForms self-practice series | Course 14 – C# Level 1 | Programming Advices Roadmap.

C# WinForms calculator — screen TextBox as data model, 6-case intelligent delete, percentage with undo, division-by-zero protection, and a one-click dark/light theme toggle. Only 3 controls: Form, TextBox, Button.

String Manipulation Form — C# desktop app with live TextChanged updates for character & word count, first & last word tracking, + case operations, trim, remove spaces, find & replace (all or first only), and substring extraction + full validation. 5th project in the WinForms self-practice series | Course 14 – C# Level 1 | ProgrammingAdvices Roadmap

Multi-form C# WinForms geography app — 9 forms, interactive world map with hover tooltips, text search, 7 continent info screens with PictureBox resources, and a confirm-exit dialog. First multi-form project | Programming Advices.

Age Calculator Form — C# desktop app that calculates exact age in years, months, and days, plus total time lived in all units, day of week born, and days to next birthday. Three-layer input validation with granular clear logic. Fourth project in the WinForms self-practice series | Course 14 – C# Level 1 | Programming Advices Roadmap.

Password Generator Form — a C# desktop app that generates secure passwords, multi-word keys, and GUIDs from one unified interface, with adjustable word count, word length, and character type. Third project in the WinForms self-practice series | Course 14 – C# Level 1 | Programming Advices Roadmap.