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If you believe one of our calculators is producing incorrect results, please let us know. Include the name of the calculator, the exact values you entered, the result you received, and the result you expected. Screenshots are helpful but not required. Detailed reports help us identify and fix issues faster, ensuring the tools remain accurate for every user.

Is there a calculator you would like to see added? We are continuously expanding our collection and welcome suggestions. Tell us the name and a brief description of the tool you need, along with any relevant formulas or use cases. We prioritise tools that benefit the widest audience and fill genuine gaps in our existing library.

Recent additions based on user requests include the heart rate zone calculator for fitness enthusiasts, the normality and stock solution calculators for chemistry lab work, and the calorie deficit planner for weight management. Your suggestion could be next.

Have an idea for improving the site? Your suggestions help us create a better experience for everyone. Whether it is a feature request, a usability improvement, or a design suggestion, we read every piece of feedback carefully. Many of our best improvements have come directly from user suggestions.

If you are interested in collaborating with us or have a business inquiry, please reach out. We are open to partnerships with educational institutions, content creators, and organisations that share our mission of making accurate calculation tools accessible to everyone. We evaluate each proposal based on its potential value to our users.

Many common questions are answered in our blog guides and the FAQs section on each calculator page. You may also find information by browsing our full list of calculators. If you still need assistance, we aim to respond to all inquiries within 24 to 48 hours during business days.