Behind the Build
How NUST One Predicts Your GPA
A full walkthrough of the math behind NUST One's GPA Predictor, Projected CGPA, and What-If tool — what it uses, what it assumes, and where it can go wrong.
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Notes from the build.
Engineering decisions, design choices, and lessons from building and shipping ZivXio's apps.
Behind the Build
Why we built BillCheck: one app for every electricity bill in Pakistan
Pakistan has more than ten electricity distribution companies. We built BillCheck because we got tired of juggling separate websites for each one.
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How to check and download your electricity bill online (LESCO, PESCO, IESCO, K-Electric & more)
A straightforward guide to checking your bill on each DISCO's portal — and a much faster way to do all of it in one place.
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Why we keep our apps small on purpose
Our take on why focused, minimal utility apps tend to outlast feature-bloated ones.
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Building NUST One: from idea to first release
Why we built a dedicated student companion app for NUST, and what shaped the first version.
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