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Cepheus Navis

Migrate from Tableau to Power BI
with mathematically proven accuracy

Because in some environments, "close enough" is the same as wrong.


Three things no other migration tool offers

Mathematically proven formula translation. Every calculation is individually yardstick-tested against live source platform output. If a formula cannot be proven correct, Navis flags it — it never guesses.
🔏 Tamper-evident Evidence Capsule. Each conversion produces a signed ZIP with the audit report PDF, side-by-side formula text, fidelity gap disclosures, and a cryptographic hash chain — your legal paper trail.
📋 Complete fidelity gap disclosure. Anything that cannot be fully converted is disclosed in plain English. Nothing is ever silently skipped — your stakeholders see exactly what migrated and what didn't.

Get started

pip install cepheus-navis-tableau-powerbi

Then run the four-step pipeline against your spec file:

navis-extract spec.toml   # extract source data
navis analyze            spec.toml   # portfolio analysis + License Request PDF
navis convert            spec.toml   # convert workbooks
navis-deploy  spec.toml   # deploy converted output with data

Full documentation and all migration paths  ·  cepheusonline.com/navis

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