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최종 업데이트: 2026년 10월 28일

1. Educational Purposes Only

FOIL Calculator and all content on foilcalculator.com - calculators, step-by-step solutions, examples, and blog articles - are provided for general educational purposes. They are meant to help you learn and practice algebra, not to replace instruction from a teacher, tutor, or textbook.

2. Verify Your Results

We work hard to make every calculator and worked example correct, but software and content can contain errors. Always check important results yourself, for example by multiplying your answer back out or substituting a value such as x = 1, and follow your teacher's or exam board's methods and notation.

3. No Guarantee of Accuracy

The Service is provided "as is" and "as available," without warranties of any kind, express or implied, including accuracy, completeness, or fitness for a particular purpose. To the extent permitted by law, FOIL Calculator is not liable for any loss or damage arising from your use of, or reliance on, the Service - including grades, test results, or decisions based on its output.

4. Advertising

This website displays ads served by Google AdSense, which help keep the calculators free. Ads are provided by third parties; we do not endorse the products or services advertised and are not responsible for their content. Ads are labeled "Advertisement" and kept separate from the calculators. See our Privacy Policy and Cookies Policy for how advertising cookies work and how to control them.

5. External Links

Some pages link to other websites for further reading. We do not control those sites and are not responsible for their content or privacy practices.

6. Changes

We may update this Disclaimer from time to time. The "Last updated" date above shows when it last changed. Your use of the Service is also governed by our Terms of Service.

7. Contact

Found an error in a calculation or article? Please let us know or email hello@foilcalculator.com so we can fix it.