What to include
- Reporting an error: the page URL, the inputs you used, the result you got and what you expected (with a source if you have one). Corrections are published as soon as they are verified.
- Suggesting a tool: what you need to calculate or generate, and who would use it.
- Privacy requests: access, correction or deletion requests under GDPR, UK GDPR, CCPA/CPRA or India’s DPDP Act — see our privacy policy.
Publisher
Ajaykumar Yadav
India
Last updated: 12 November 2026