Site: Iguana Digital
URL: https://iguanadigital.net/
Last updated: February 7, 2026.

TERMS AND CONDITIONS OF USE

1. ACCEPTANCE OF TERMS

1.1 Express agreement
By accessing and using the Iguana Digital website hereinafter referred to as the Site, you automatically agree to be bound by these terms and conditions of use hereinafter referred to as the Terms, as well as by the privacy policy available at https://iguanadigital.net/politica-privacidade and by all applicable legislation.

1.2 Obligatoriness
These terms constitute a legally binding agreement between you hereinafter referred to as User or You and the owner/administrator of the site hereinafter referred to as Operator, We or Us.

1.3 Implied acceptance
By clicking Accept, by browsing the site, by using any functionality or by providing personal information, you express your unequivocal acceptance of these Terms. If you do not agree with any provision, do not use the Site.

1.4 Non-consent
If you do not agree with these terms or with any subsequent modification, the only appropriate course of action is to not use the site. Continued use after the publication of changes constitutes acceptance of the same.

2. PURPOSE AND DESCRIPTION OF SERVICES

2.1 Purpose of the site
Iguana Digital is a website dedicated to providing calculators and mathematical, educational, and technical tools. The Site offers access to various calculators for calculation and learning purposes, including, but not limited to:

  • Differential and Integral Calculus Calculator
  • Statistical Thermodynamics Calculator
  • Polynomial Calculator
  • Radicalization Calculator
  • Inequality Calculator
  • CAC (Customer Acquisition Cost) Calculator
  • Plant Spacing Calculator
  • Pet Food Quantity Calculator
  • Chemical Reaction Yield Calculator
  • PPM (Parts Per Million) Calculator
  • And other tools that may be added in the future

2.2 Nature of the Services
The services are provided as is (AS IS) and as available (AS AVAILABLE). The site is an educational and informational platform, not constituting professional service or specialized consulting.

2.3 Modifications of services
The Operator reserves the right to modify, add, remove or discontinue any calculator, tool or functionality, temporarily or permanently, without prior notice. Continued use of the Site after such modifications implies acceptance of the same.

3. SITE ACCESS AND USE

3.1 Access requirements
To access the site, you must:

  • Be at least 18 years of age or be under the supervision of a legal guardian;
  • Have a device compatible with web browsers;
  • Have an active internet connection;
  • Have legal authorization to enter into binding contracts with the Operator;

3.2 User accounts
The Site does not require mandatory registration for basic use of the calculators.

3.3 Interruptions and Unavailability
The Operator is not responsible for:

  • Scheduled or emergency maintenance of the Site;
  • Service interruptions due to technical or security issues;
  • User connectivity failures;
  • Issues with internet or hosting providers;
  • Cyber attacks or force majeure;
  • Latency, congestion or slow access.

4. ACCEPTABLE USE OF THE SITE

4.1 Prohibited Conduct
The User agrees not to use the site for:

4.1.1 Illegal Activities

  • Violate any local, state, national or international law, regulation or norm;
  • Facilitate or commit crimes, fraud, illegal activities or conspiracy;
  • Account for, distribute, finance or promote illegal activities.

4.1.2 Damage to the Site and Systems

  • Create, attempt to create or exploit vulnerabilities, gaps or security flaws;
  • Access unauthorized or restricted information;
  • Interfere with servers, networks or systems of the Site;
  • Transmit viruses, malware, worms, trojans or malicious code;
  • Perform port scanning, penetration testing or any form of cyber attack;
  • Execute brute force against credentials or authentication;
  • Perform web scraping, crawling or large-scale automated collection without authorization;
  • Server overload (Denial of Service/DoS);
  • SQL injection, cross-site scripting (XSS) or other attack techniques.

4.1.3 Spam and unwanted communications

  • Send spam, mass messages or unsolicited communications;
  • Use the site for unauthorized marketing or deceptive advertising purposes;
  • Send communications that impersonate third parties or represent false information.

4.1.4 Violation of third-party rights

  • Violate intellectual property rights, including copyright, trademarks, patents or trade secrets;
  • Reproduce, duplicate, copy, sell, resell or exploit any calculator or content for commercial purposes;
  • Use the Site to create competing tools, systems or products;
  • Remove, obscure or alter copyright or attribution notices.

4.1.5 Harmful or Offensive Content

  • Disseminate defamatory, injurious, abusive, discriminatory or hateful information;
  • Publish content that promotes or incites discrimination, prejudice or violence against protected groups;
  • Transmit threats, harassment or intimidation;
  • Publish images of nudity, explicit sexual content or child pornography;
  • Content that exploits, harms or threatens minors.

4.1.6 Deception and fraud

  • Impersonate, falsify identity or deceive about your identity, affiliation or representation;
  • Create false, fraudulent or illegitimate accounts;
  • Collect personal data from third parties through deception or fraud;
  • Participate in Ponzi schemes, consumer fraud or other financial frauds.

4.1.7 Interference with operations

  • Interfere with other users, systems or functionalities;
  • Remove, obscure or alter legal or property notices;
  • Create multiple accounts to circumvent limitations.

5. INTELLECTUAL PROPERTY

5.1 Content Ownership
All contents, codes, designs, graphics, images, texts, structure, layout, logos, trade names, trademarks and other elements of the Site (hereinafter collectively referred to as “Content”) are the exclusive property of the Operator or third-party licensors, being protected by international intellectual property laws.

5.2 Copyright
The site and all its content are protected by copyright © 2025 – Iguana Digital. All rights reserved. No part of the site may be reproduced, adapted, transmitted, published, distributed or made publicly available, in whole or in part, without the express authorization of the operator.

5.3 Trademarks
Any registered trademark, trade name or logo displayed on the site is the exclusive property of the operator or third-party licensors. The User has no rights over these trademarks and must respect them.

5.4 Limited use license
The operator grants the user a personal, non-exclusive, non-transferable, revocable and limited license to:

  • Access the Site for personal, educational and informational purposes;
  • Use the calculators for private, non-commercial purposes;
  • View the Content in your browser;
  • Print one copy of the Content exclusively for personal use.

License restrictions:

  • Not assign, transfer, license or lend the license;
  • Not remove, obscure or alter copyright notices;
  • Not modify, adapt, translate, hack or create derivative works;
  • Not use the Content for commercial, advertising or competitive purposes;
  • Not integrate Site tools into third-party platforms without authorization;
  • Not sell, trade or commercialize access to the calculators.

5.5 Patents
Algorithms, mathematical formulas, calculation methods and techniques implemented on the site may be protected by patents or be in the process of patenting. The User does not acquire patent rights through the use of the site.

5.6 Software and source code
All software, scripts, source code and object code used on the site are the property of the Operator and are protected by law. The User agrees not to:

  • Decompile, disassemble or reverse engineer;
  • Modify or create derivative versions of the software;
  • Make the code available to third parties;
  • Use decompilation or code analysis techniques.

6. DISCLAIMER OF LIABILITY AND LIMITATION OF DAMAGES

6.1 AS IS Service
The calculators and tools are provided as is, without warranties of any kind, express or implied, including:

  • Warranty of accuracy, exactness or reliability of calculations;
  • Warranty of fitness for specific purposes;
  • Warranty that the site will function uninterruptedly or without errors;
  • Warranty that results will be correct, accurate or complete;
  • Warranty that access will be continuous or unlimited;
  • Warranty that defects will be corrected.

6.2 Responsibility for calculation accuracy
The Operator DOES NOT take responsibility for:

  • Errors, inaccuracies or omissions in calculations;
  • Incorrect or inadequate results;
  • Inadequate uses or erroneous interpretations of results;
  • Losses or damages resulting from reliance on calculations;
  • Technical failures, bugs or unexpected behaviors;
  • Obsolescence or outdatedness of formulas or parameters;
  • Computational limitations or numerical rounding.

6.3 User verification duty
It is the exclusive responsibility of the User to:

  • Verify all results before using them in important decisions;
  • Consult qualified experts when necessary;
  • Validate critical calculations through multiple sources;
  • Apply critical analysis to the results obtained;
  • Keep updated on legislative, regulatory or technical changes that affect the calculations.

6.4 No professional consulting
The site does not offer professional, financial, legal, medical or specialized technical consulting. The results are provided solely for informational and educational purposes. Important decisions should not be based exclusively on these results without consulting qualified professionals.

6.5 Limitation of civil liability
Under no circumstances will the Operator be liable for:

  • Lost profits, lost revenues or unrealized opportunities;
  • Indirect, incidental, special, consequential or punitive damages;
  • Loss of data, information or programs;
  • Business or activity interruption;
  • Damage to reputation or loss of clientele;
  • Costs of replacing services;
  • Any damage not directly caused by the Operator’s actions;
  • Damages resulting from force majeure, unforeseeable events or beyond the Operator’s control;
  • Damages resulting from improper, abusive or unauthorized use.

6.6 Third parties

The Operator is not responsible for:

  • Content, accuracy, reliability or legality of third-party information;
  • External links or third-party websites;
  • Services provided by partners or suppliers;
  • Recommended products or services;
  • Conducts of third-party users of the Site.

7. INFORMATION ON SPECIFIC CALCULATORS

7.1 Differential and Integral Calculus Calculator
This calculator uses numerical methods and approximations. Results may contain rounding and are provided solely for educational purposes. For critical calculations in engineering, physics or research, consult specialized software or professionals.

7.2 CAC (Customer Acquisition Cost) Calculator
Uses standard marketing formulas. Does not take into account all business variables. Consult financial analysis experts for important decisions.

7.3 Plant Spacing Calculator
Provides general agronomy guidelines. Climate, soil and species variations may significantly affect results. Consult agronomists for specific recommendations.

7.4 Pet Food Calculator
Provides general estimates. Nutritional needs vary by breed, age, health and activity level. Consult veterinarians or animal nutritionists for personalized guidance.

7.5 PPM (Parts Per Million) Calculator
Uses standard conversions. Specific contexts may require more complex calculations. Validate results according to applicable technical standards.

8. NON-COMMERCIAL USE

8.1 Commercial use restriction
The site is intended exclusively for personal, educational and informational use. It is expressly prohibited to:

  • Use the calculators to generate revenue, profit or commercial gain;
  • Offer calculators on third-party platforms without authorization;
  • Create competing services based on the tools;
  • Integrate tools into commercial software or platforms;
  • Sell access or results from the calculators;
  • Use for paid consulting without express authorization.

8.2 Corporate use
Companies or organizations that wish to use the site for commercial purposes must:

  • Obtain express and written authorization from the Operator;
  • Contact us through info@iguanadigital.net to negotiate special terms;
  • Accept possible commercial licenses and their restrictions.

9. COOKIES AND TRACKING TECHNOLOGIES

9.1 Use of cookies
The site uses cookies and similar technologies as detailed in the privacy policy. By using the site, you agree to the use of cookies for purposes of:

  • Traffic analysis (Google Analytics)
  • Personalized advertising (Google AdSense)
  • Basic site functionality
  • User preferences

9.2 Cookie management
You can manage or disable cookies through:

  • Site’s cookie management panel
  • Google opt-out tools
  • Browser settings

Disabling cookies may limit Site functionalities.

10. ADVERTISING AND THIRD-PARTY CONTENT

10.1 Google AdSense
The Site displays advertisements managed by Google AdSense. You understand and agree that:

  • Ads may be displayed anywhere on the Site;
  • Ads may be targeted based on your browsing history;
  • The Operator does not fully control the content of the ads;
  • Ads are subject to Google’s Terms of Service;
  • Click on ads at your own risk.

10.2 External links
The Site may contain links to third-party websites. The Operator:

  • Does not control content from external sites;
  • Is not responsible for privacy, security or legality of third parties;
  • Recommends reading the policies of each site visited;
  • Does not necessarily endorse external content.

10.3 Disclaimer for external content
You access third-party websites at your own risk, being subject to the terms of that site. The Operator is not responsible for:

  • Content, accuracy or reliability of external sites;
  • Availability or functioning period;
  • Malware or security of external sites;
  • Commercial transactions carried out;
  • Privacy violations.

11. USER RESPONSIBILITIES

11.1 Legal compliance
The User is responsible for:

  • Using the Site in compliance with all applicable laws;
  • Complying with these Terms and the Privacy Policy;
  • Not violating third-party rights;
  • Verifying legal adequacy of use in your jurisdiction;
  • Consulting professionals when necessary.

11.2 Information protection
The User is responsible for:

  • Immediately notifying about unauthorized access;
  • Protecting your device against malware;
  • Using a secure connection and updating the browser.

11.3 Proper access
The User is responsible for:

  • Maintaining compatible and updated device;
  • Providing adequate internet connection;
  • Having necessary technical knowledge;
  • Updating browser and plugins;
  • Keeping antivirus and firewall active.

12. MODIFICATIONS OF TERMS

12.1 Right of alteration
The Operator reserves the right to modify, add, remove or alter any provision of these Terms at any time, without prior notice, at its sole discretion.

12.2 Notification of changes
The Operator will notify significant changes through:

  • Prominent banner on the Site
  • Email notice (if applicable)
  • Update of the last revision date at the beginning of this document

12.3 Effectiveness of changes
Changes take effect immediately after publication. Continued use after publication constitutes acceptance of the changes. If you do not agree, you must cease using the Site.

12.4 Version history
Previous versions of these Terms may be requested through info@iguanadigital.net.

13. INDEMNIFICATION

13.1 User indemnification
The User agrees to indemnify, defend and hold harmless the Operator, its partners, employees, agents and successors against:

  • Claims, demands, lawsuits or actions by third parties;
  • Damages, losses, costs and expenses (including attorney fees);
  • Violation of these Terms or applicable legislation;
  • Violation of third-party rights;
  • Improper or abusive use of the Site;
  • Content provided by the User;
  • Conduct of the User.

13.2 Indemnification procedure
The Operator will notify the User about any claim subject to indemnification. The User will have the opportunity to participate in the defense, through a mutually acceptable agreement.

14. APPLICABLE LAW AND COMPETENT JURISDICTION

14.1 Applicable law
These Terms are governed by the laws of the Federative Republic of Brazil, especially:

  • Law No. 13,709/2018 (General Personal Data Protection Law – LGPD)
  • Law No. 12,965/2014 (Brazilian Civil Rights Framework for the Internet)
  • Law No. 8,078/1990 (Consumer Protection Code)
  • Other applicable civil, commercial and administrative norms

14.2 Competent jurisdiction
Any action, proceeding or dispute arising from or related to these terms will be governed by Brazilian laws and submitted to the competent court of the jurisdiction where the operator is domiciled.

14.3 Alternative dispute resolution
Before any judicial action, the parties commit to trying to resolve amicably through:

  • Direct negotiation between the parties
  • Mediation by impartial third parties
  • Administrative arbitration

15. FINAL PROVISIONS

15.1 Partial nullity
If any provision of these terms is deemed null, invalid or inapplicable, such provision will be minimally modified to become valid, or removed. The remaining provisions will remain in full force.

15.2 Integration and precedence
These Terms, together with the privacy policy, constitute the entire agreement between the User and the Operator regarding the Site. Any prior agreement, communication or negotiation is replaced by this document. In case of conflict with the Privacy Policy, the LGPD and other legislation prevail.

15.3 Waiver
The Operator’s failure to exercise or enforce any right does not constitute waiver of such right or any other. All waivers must be express and in writing.

15.4 Relationship of parties
No provision of these terms creates:

  • Partnership, association or joint-venture
  • Agency, representation or mandate
  • Employer-employee relationship
  • Franchise relationship

15.5 Independence
Each provision of these terms is independent. If one is invalid, the others remain valid.

15.6 Assignment
The User may not assign or transfer rights or obligations without prior written consent. The Operator may assign rights at any time.

15.7 No third-party beneficiary
These Terms are only between the User and the Operator. No third party has rights arising from this document.

15.8 Force majeure
The Operator will not be responsible for:

  • Natural disasters, earthquakes, floods
  • Wars, conflicts, attacks
  • Epidemics, pandemics or health crises
  • Widespread blackouts or infrastructure crises
  • Unexpected governmental acts
  • Any unforeseeable and uncontrollable event

16. CONTACT AND SUPPORT

16.1 Communication Channels
For questions, complaints, suggestions or official communications:

16.2 Response time
The Operator undertakes to respond to communications within a reasonable time, generally within up to 7 business days. Responses may be limited to consumer rights under applicable legislation.

16.3 Data Protection Officer (DPO)
For communications related to personal data and LGPD:
Email: info@iguanadigital.net

17. NOTICES AND NOTIFICATIONS

17.1 Form of notifications
Official notifications may be made through:

  • Email to provided address
  • Banner or notice on the Site

17.2 Receipt
Email notifications are considered received 24 hours after sending. Site notifications are considered received after viewing.

18. GLOSSARY

  • AdSense: Google’s contextual advertising program
  • Content: All material available on the Site, including code, design, texts, images
  • Cookie: Small file stored in the browser to identify preferences
  • Copyright: Protection of intellectual works under copyright law
  • DPO (Data Protection Officer): Data protection officer under LGPD
  • Force Majeure: Unforeseeable and uncontrollable event
  • GDPR: General Data Protection Regulation of the European Union
  • Google Analytics: Web traffic analysis tool
  • LGPD: Brazilian General Personal Data Protection Law
  • Civil Rights Framework: Law No. 12,965/2014 that regulates the internet in Brazil
  • Operator: Owner/administrator of the Site
  • Intellectual Property: Copyrights, trademarks, patents
  • Data Subject: Person to whom personal data refers
  • User: Person who accesses and uses the Site

19. ACKNOWLEDGMENT

Thank you for using Iguana Digital. We are committed to offering quality educational tools and maintaining a safe and respectful environment.
If you have questions, suggestions or feedback, do not hesitate to contact us.

Effective date: February 7, 2026.

These Terms and Conditions were prepared in compliance with:

  • Law No. 13,709/2018 (LGPD)
  • Law No. 12,965/2014 (Brazilian Civil Rights Framework for the Internet)
  • Law No. 8,078/1990 (Consumer Protection Code)
  • Google AdSense Policies

Iguana Digital
https://iguanadigital.net/