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To help us understand the issue, say whether it concerns a number, unclear translation, a link that will not open or a tool’s behaviour. For a calculator, include the inputs, the result shown and the result you expected. For example, the initial amount, number of years and annual rate allow a compound-interest example to be reproduced. If the difference depends on tax or a date, include the country and period you mean.

For a translation report, identify the page language and quote the exact sentence; you do not need to translate the entire lesson. For a technical problem, device and browser details can help. A screenshot is useful after removing names, email addresses and personal information. If an external source has changed, include its address and the conflicting detail. You do not need to change your account or restart a simulation to report an issue. This email is for website enquiries, not emergencies or individual financial advice.

For example, a compound-growth report should include the starting amount, years, return and inflation. Two calculations with the same return but different inflation need not show the same purchasing power. Recording assumptions helps distinguish an expected difference from an actual fault.

Translations use AI assistance. A complete professional human review in every language has not been documented. Please report unclear wording. Translation does not change the country to which legal or tax information applies.