1. Introduction

Please read this Privacy Policy carefully. This Privacy Policy explains how Structural Design Concepts Inc. and our SDCalcs Software (“SDCalcs,” “we,” “us,” or “our”) collects, uses, protects, retains, and discloses information in connection with the SDCalcs software, our website, software licensing, purchases, customer support, and related services.

We are committed to collecting only information reasonably necessary to operate, license, secure, support, and improve SDCalcs. We do not sell personal information. We do not use personal information collected through SDCalcs for targeted or behavioral advertising.

2. Information We Collect Through SDCalcs

When you use SDCalcs, visit our website, purchase and/or sign up for our products and services or other communications, we may collect the following limited information:

Login and logoff dates and times.
Display or screen size and resolution information.
SDCalcs license number, license key, or other license-identification information.
Internet Protocol (IP) address used to access or activate the software.

We may also receive information that you voluntarily provide when contacting us for technical support, account assistance, licensing assistance, or other software-related matters.

3. How We Use Information

We use information collected through SDCalcs only for lawful and legitimate software and business purposes, including:

Activating, validating, and administering SDCalcs licenses.
Confirming that a license is being used in accordance with applicable license terms.
Maintaining software and account security and helping prevent unauthorized or fraudulent use.
Troubleshooting technical issues and providing customer support.
Understanding software compatibility, including display and screen-size considerations.
Improving the performance, reliability, functionality, and usability of SDCalcs.
Maintaining appropriate business, licensing, transaction, security, and support records.
Complying with applicable legal, tax, accounting, regulatory, or law-enforcement requirements.
Website Analytics — Google Analytics. We use Google Analytics to understand how visitors find and use the SDCalcs website and to improve its content and usability. Google Analytics uses cookies and similar technologies to collect information about website activity, such as pages visited, interactions, referring websites, and browser and device information. For information about Google’s data practices, see How Google uses information from sites or apps that use its services and Google’s Privacy Policy. You can learn about Google’s browser-based opt-out tool at Google Analytics Opt-out Browser Add-on

5. Software-Related Communications

If you provide an email address or other contact information in connection with an SDCalcs purchase, account, license, or support request, we may use that information to send you software-related notices. These notices may include license or account notices, purchase or renewal information, security notices, software updates, maintenance notices, technical information, changes to SDCalcs or related services, changes to applicable terms or policies, and other important administrative communications.

These communications are related to the software or services you receive from us and are not third-party advertising. We do not use information collected through SDCalcs for targeted or behavioral advertising.

6. Sale, Sharing, and Disclosure of Personal Information

We do not sell personal information.

We do not share personal information for cross-context behavioral advertising, and we do not provide personal information to third parties for their own advertising or marketing purposes.

We may disclose limited information when reasonably necessary to service providers or processors that perform functions on our behalf, such as payment processing, merchant-of-record services, licensing infrastructure, hosting, security, communications, or technical support. These providers may process information only as necessary to provide their services and are subject to their own contractual and legal obligations.

We may also disclose information when required by law, legal process, court order, governmental request, or when reasonably necessary to protect the rights, property, security, or integrity of SDCalcs, Structural Design Concepts Inc., our users, or others.

7. Cookies and Website Information

Our website may use cookies or similar technologies that are reasonably necessary for website operation, security, preferences, traffic measurement, or service improvement. Depending on the website features in use, technical information such as IP address, browser type, device information, referring page, and pages visited may be processed.

We do not use information collected through SDCalcs for targeted or behavioral advertising. If third-party website services are used, information processed directly by those providers may also be governed by their respective privacy policies.

8. Data Retention

We retain personal information only for as long as reasonably necessary for the purposes described in this Privacy Policy. Retention periods may vary depending on the type of information and the reason it was collected.

License, login, logoff, IP-address, transaction, and related records may be retained as reasonably necessary for license verification, software administration, security, fraud prevention, troubleshooting, customer support, business recordkeeping, dispute resolution, and compliance with legal, tax, accounting, or regulatory obligations. When information is no longer reasonably necessary for these purposes, we may delete, anonymize, or otherwise dispose of it in accordance with our normal practices and applicable law.

9. Security

We use reasonable administrative and technical measures designed to protect information under our control from unauthorized access, use, alteration, loss, or disclosure. No method of electronic transmission or storage is completely secure, however, and we cannot guarantee absolute security.

10. California Residents

This section provides additional information for California residents. California privacy laws, including the California Consumer Privacy Act (CCPA), as amended, provide certain rights to California residents when the law applies to a business.

Depending on the applicability of California law and subject to applicable exceptions, California residents may have rights that include:

Right to Know – the right to request information about the categories or specific pieces of personal information collected, the sources of that information, the purposes for which it is used, and the categories of recipients to whom it is disclosed.
Right to Delete – the right to request deletion of personal information collected from you, subject to legal and other permitted exceptions.
Right to Correct – the right to request correction of inaccurate personal information maintained about you.
Right to Opt Out of Sale or Sharing – the right to opt out of the sale of personal information or sharing for cross-context behavioral advertising. SDCalcs does not sell personal information and does not share personal information for cross-context behavioral advertising.
Right to Limit Certain Uses of Sensitive Personal Information – where applicable, the right to limit certain uses or disclosures of sensitive personal information. SDCalcs does not use sensitive personal information for advertising or unrelated profiling.
Right to Non-Discrimination – the right not to receive discriminatory treatment for exercising applicable California privacy rights.

Categories of information we may collect include identifiers (such as IP address and license/account identifiers), internet or electronic activity information (such as login and logoff activity), device information (such as display or screen characteristics), and commercial information received in connection with SDCalcs purchases or licenses. The specific information collected depends on how you interact with SDCalcs and Dodo Payments.

Sources of this information may include you, the SDCalcs software, your device or network connection, and service providers such as Dodo Payments. We use these categories for the business purposes described in this Privacy Policy, including licensing, security, payment and transaction administration, support, software improvement, recordkeeping, and legal compliance.

SDCalcs does not sell personal information and does not share personal information for cross-context behavioral advertising. We do not knowingly sell or share personal information of consumers under 16 years of age.

California residents may contact us using the contact information provided below to submit an applicable privacy request. We may need to verify your identity before completing certain requests. An authorized agent may submit a request on your behalf where permitted by law, and we may request information reasonably necessary to verify the agent’s authority and/or your identity.

Some information may be retained even after a deletion request when permitted or required by law, including when reasonably necessary to complete transactions, administer licenses, maintain security, detect fraud or misuse, maintain required business records, comply with legal obligations, or establish, exercise, or defend legal claims.

Nothing in this section is intended to state that Structural Design Concepts Inc. and our SDCalcs Software is subject to every provision of the CCPA when the statutory requirements for applicability are not met. Where applicable law provides greater or additional rights, we will honor those rights as required.

11. Children’s Privacy

SDCalcs is professional engineering software and is not directed to children. We do not knowingly collect personal information from children for advertising purposes. If we learn that personal information has been collected from a child in a manner prohibited by applicable law, we will take appropriate steps to address it.

12. Third-Party Websites and Services

Our website, software, purchase process, or communications may contain links to third-party websites or services, including Dodo Payments, Google Maps , Google Analytics and Microsoft Azure. We do not control the privacy practices of independent third parties. Information you provide directly to a third party is governed by that party’s privacy policy and terms. We encourage you to read the privacy statements of each party that collects your information.

13. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes to SDCalcs, our business practices, service providers, or applicable laws. When we update the policy, we will revise the “Last Updated” date. Material changes may also be communicated through the website, software, email, or another appropriate method.

14. Contact Us

If you have questions about this Privacy Policy, our information practices, or wish to submit a privacy request, please contact:

Structural Design Concepts Inc.
Privacy Inquiry
contact@sdcalcs.com

Please include enough information for us to understand and respond to your request. Do not send passwords, complete payment-card numbers, or other unnecessary sensitive information by email.