So here’s the deal: this semester I jumped into a real-world challenge with a partner company. Their entire financial and inventory management was stuck in spreadsheets. Manual entries, repetitive calculations, errors everywhere, zero visibility for decision-making. Basically… a nightmare.
And I thought: seriously, in 2025 we’re still doing this?
Time to fix it.
What I built
A Python + Flask web app that merges finance and inventory in one place.
No more copy-pasting numbers. Everything’s automated, reliable, and visualized in dashboards that actually make sense.
Key features
Simple interface for income and expense entries
Customizable categories and payment methods
Automatic integration: purchases → expenses, sales → income
Dashboards with 5 core visualizations
Lightweight JSON persistence + client-validated prototypes
Real impact
Hours saved from manual data entry
Fewer errors, more trust in the numbers
Instant visibility of cash flow and spending patterns
Direct support for day-to-day decisions
Tech stack
Python, Flask, Jinja2, Bootstrap, Chart.js..
Nothing fancy — just tools that work.
đź“‚ Repo: https://github.com/Delean-Mafra/pex3
đź“„ Full report: https://delean-mafra.github.io/pex3
🎯 The takeaway
This wasn’t just about coding. It was about proving that tech can turn clunky processes into something agile and strategic.
Spreadsheets are fine… until they’re not.
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