Skip to main content
lab.golamrabbani.org

Editorial standards

Every tool on Toolnest is held to the same quality bar: accurate formulas, verified outputs, and transparent sourcing. This page explains exactly how we get there.

Primary-source formulas

We trace every formula to its authoritative upstream source — an ISO or IEEE standard, a peer-reviewed paper, an official government health guideline, or the published specification from the relevant standards body. Secondary sources (Wikipedia, how-to blogs) are used only for orientation; they are never the basis for a production implementation. The source citation is published inline on the tool page.

Browser-only execution

All calculations run in your browser. No input leaves your device. This is a design constraint, not just a privacy feature: it means the code can be read, audited, and verified directly by anyone who opens DevTools.

Worked-example verification

Before a tool is deployed, its output is cross-checked against:

  • At least one worked example from the primary source document.
  • At least two independent reference calculators (government, academic, or professionally maintained).
  • Edge cases: zero inputs, maximum values, unit-boundary conditions.

Any discrepancy is resolved by returning to the primary source, not by averaging results.

YMYL tools

Tools that touch health, safety, or financial decisions are classified as YMYL (Your Money or Your Life). For these tools we build the formula from published government, clinical, or financial standards, state the assumptions plainly, and display a disclaimer that the tool is for general information only and is not a substitute for advice from a qualified professional. Each YMYL tool also shows a "last updated" date.

Post-deploy audit pipeline

After each deployment we run a structured audit:

  1. Re-run all worked examples against the live build.
  2. Spot-check three randomly selected real-world inputs.
  3. Confirm that source citations and disclaimers still match the deployed copy.
  4. For YMYL tools: confirm the disclaimer and "last updated" date are visible.

Correction policy

When an error is reported or discovered:

  1. The tool is taken offline or flagged with a visible warning within 24 hours of confirmation.
  2. The fix is traced back to the primary source before being deployed.
  3. A note is added to the tool page describing what changed and when.
  4. YMYL tools are re-checked against their primary sources before going back online.

To report an error, email [email protected] with the tool name, the input you used, the result you got, and what you believe the correct result should be (with a source if possible). We aim to respond within two business days.