Training support app for shooting sports athletes. Training log, result tracking, mental training, and statistics in a web-based application. Centrally operated for sports clubs.

A Python-based Windows system utility for diagnostics, user management, and quick access to built-in repair tools — all in a simple, tabbed GUI.

This project simulates a bank’s queuing system using R to evaluate customer wait times, queue lengths, and server utilization. It compares the current two-teller setup with a proposed three-teller system to assess efficiency improvements.