//About Sumivo
Useful calculations without the performance.
Sumivo is being built as a focused calculation platform: fewer unsupported claims, clearer assumptions and results that show how they were produced.
What Sumivo is
A compact collection of calculators and converters for practical work and everyday decisions. The product is organized around transparent result reports rather than a page-count target.
45 calculators are published yet; the catalog is in QA review. Tools remain outside public listings until their methods, sources and publication records are ready.
How a calculator is published
- 01Define the methodInputs, formula, units, scope and limitations.
- 02Establish fixturesIndependent expected values and edge cases.
- 03Record evidenceSources, versions and evidence records.
- 04Pass publication gatesPublication outputs derive from controlled status.
What we do not publish
Sumivo does not publish unverifiable statistics, endorsements, testimonials, team identities or review details.
No page when input or output semantics remain ambiguous.
No reviewed, popular or trusted label without evidence.
No separate pages when one complete tool solves the task.
Engineering tools remain in QA when source scope is unresolved.
Corrections and disagreement
A calculation should be open to challenge at the level of its formula, source, assumption or result. A dedicated issue route does not exist yet, so this page does not link to one.
Read the methodology →