Privacy Policy

1. Introduction & Scope

Welcome to Calc Solver (accessible from https://calc-solver.net). At Calc Solver, we respect your personal data and are committed to protecting your privacy. This policy explains what information we gather, how we use it, and what rights you have regarding your personal details when accessing our tools and calculation services.

2. Information We Collect

We believe in data minimization. We only collect the minimal information necessary to deliver and improve our calculation tools:

• Voluntary Contact Information: When you send us an inquiry via our Contact form, we collect your name, email address (used only for replies), and message details.
• Usage & Device Data: Like most web platforms, our servers automatically collect log files when you browse our site. This includes browser type, device type, referring/exit pages, timestamps, and anonymous IP addresses.
• Calculation Inputs: All values, numbers, and mathematical formulas entered into our calculators are processed locally in your browser wherever possible and are not tied to your identity.

3. Cookies & Tracking Technologies

Calc Solver uses standard browser cookies and local storage tokens to remember your calculation preferences, interface options, and to gather aggregated visitor analytics. You can configure your browser to reject cookies, though some interactive features may experience minor limitations.

4. Advertising Partners & Google DoubleClick DART Cookies

We may partner with third-party advertising networks such as Google AdSense to sustain free access to our tools:

• Google, as a third-party vendor, uses cookies to serve ads on Calc Solver based upon a user’s prior visits to this website or other websites across the Internet.
• Users may opt out of personalized advertising by visiting Google Ads Settings or through the AboutAds opt-out portal.

5. How We Use Your Data

We process collected data exclusively for legitimate operational reasons:

• To maintain, run, and optimize mathematical accuracy across our online calculators.
• To respond promptly to feedback, bug reports, and formula improvement suggestions.
• To safeguard against fraudulent access, abuse, and automated spam attacks.
• To analyze non-identifying aggregate performance metrics and user trends.

6. Data Protection Rights (GDPR & UK GDPR)

If you are a resident of the European Economic Area (EEA) or UK, you possess specific data protection entitlements:

• The right to access: Request copies of any personal data we hold about you.
• The right to rectification: Request correction of inaccurate or incomplete records.
• The right to erasure: Request removal of your information under qualifying conditions.
• The right to object/restrict: Object to or limit our processing of your personal information.

7. California Consumer Privacy Rights (CCPA / CPRA)

For visitors residing in California:

• You retain the right to know what personal data categories we collect and disclose.
• You have the right to request deletion of your collected personal records.
• No Sale of Data: Calc Solver does not sell, trade, or monetize your personal information to third parties.

8. Children's Online Privacy (COPPA)

Calc Solver does not knowingly gather identifiable records from children under 13. While our educational calculators are suitable for general learning, if you suspect that a child has shared personal data via our contact forms, please contact us immediately so we can promptly delete it.

9. Contact & Inquiries

If you have any questions, compliance requests, or concerns regarding our privacy practices, please contact our support team directly through our official contact channel: