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Contact FlowCalc
Corrections with page URL and expected value, broken-calculator reports with inputs, source questions with edition, and partnership proposals. Concise reports get fixed fastest — flowcalculators.com reads every message.
What to send
- Corrections: page URL, the exact number or sentence that is wrong, and the correct value with its source.
- Broken calculators: calculator name, the inputs you entered, what you expected, and what you got.
- Source questions: standard or reference, section or table, and the edition you are comparing against.
- Partnerships: who you are, what you do, and what you propose, in a few sentences.
What happens next
Every message is read. Verified errors in calculators or content are corrected and noted on the page. Suggestions for new calculators or guides are logged against search demand and built when the evidence supports them. Please do not send account passwords or client personal information.