Report a bug or suggest a calculator

Every formula on SortedSums comes from a cited public source, and every report is checked against it. If something looks wrong, or there is a calculation you do by hand that we should add, tell us.

Report a problem

A wrong or odd result, a broken source link, a page that doesn’t work on your device.

Email a problem reportor open a public GitHub issue

Tip: on the calculator, press Share link and paste it into your report. The link holds your inputs, so we can see exactly what you saw.

Suggest a calculator or improvement

A new calculator, a missing unit, an option you need for your trade or a clearer explanation.

Email a suggestionor open a public GitHub issue

Before you send

• Email goes privately to hello@sortedsums.com. GitHub issues are public and need a free GitHub account.
• Please don’t include personal details we don’t need, such as your address, income or account numbers.
• We can’t review your specific project, tax return or loan; the calculators give general estimates for informational and educational purposes only. See the disclaimer.