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Questions, a bug, a figure that looks off, or a partnership idea — here is how to reach us. Every message is read by a person.
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Every message is read by a person. Most receive a response inside one to two business days.
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For a bug or a wrong figure, include the calculator's URL and the numbers you entered — it helps us reproduce it quickly.
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Possibly. Our figures are estimates, and your bank's compounding and day-count may differ slightly. But where a number clearly conflicts with a bank disclosure, tell us the calculator and the inputs you used and we will check it.
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