Legal
Privacy Policy
How we collect, use, and protect your information when you use Numexa.
LAST UPDATED: MARCH 2025 · EFFECTIVE: MARCH 2025
1. Information We Collect
Information You Provide
When you interact with Numexa through Discord or our web platform, we may collect:
- Discord user ID and username (when using the bot)
- Mathematical expressions you submit for evaluation
- Server IDs where the bot is installed
- Support messages and correspondence
Automatically Collected Information
When you use our web platform, we automatically collect:
- Browser type, operating system, and device information
- IP address and approximate geographic location
- Pages visited and time spent on each page
- Referring URLs and navigation patterns
2. How We Use Your Information
We use the information we collect to:
- Provide, maintain, and improve Numexa's services
- Process and respond to mathematical queries
- Monitor and analyze usage patterns to improve performance
- Detect, prevent, and address technical issues and abuse
- Send important service updates and announcements
- Comply with legal obligations
We do not sell your personal information to third parties. We do not use your mathematical
expressions for advertising or profiling purposes.
3. Data Storage and Security
Your data is stored on secure servers with industry-standard encryption. Mathematical expressions submitted
to Numexa are processed in memory and are not persistently stored beyond your session unless you explicitly
use history features.
We implement appropriate technical and organizational measures to protect your information against
unauthorized access, alteration, disclosure, or destruction. However, no internet transmission is 100% secure.
4. Data Retention
We retain your information only for as long as necessary to provide our services and fulfill the purposes
outlined in this policy:
- Session data is deleted when your session ends
- Evaluation history (if enabled) is retained for 90 days
- Support correspondence is retained for 2 years
- Aggregate, anonymized usage statistics are retained indefinitely
5. Third-Party Services
Numexa integrates with the following third-party services, each with their own privacy policies:
- Discord — Bot functionality and authentication (discord.com/privacy)
- math.js — Mathematical computation engine (open source, no data collection)
- Cloudflare — DDoS protection and CDN
- Vercel — Hosting and edge network
6. Your Rights
You have the right to:
- Access the personal data we hold about you
- Request correction of inaccurate data
- Request deletion of your data ("right to be forgotten")
- Object to processing of your personal data
- Request restriction of processing
- Data portability — receive your data in a machine-readable format
To exercise any of these rights, contact us at our support page or email
privacy@numexa.dev.
7. Children's Privacy
Numexa is not directed at children under 13 years of age. We do not knowingly collect personal information
from children under 13. If you are a parent or guardian and believe your child has provided us with personal
information, please contact us immediately.
8. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the
new policy on this page with an updated effective date. We encourage you to review this policy periodically.
9. Contact Us
If you have questions about this Privacy Policy or our privacy practices, please contact us:
- Via our Support page
- Email: privacy@numexa.dev
- Discord: Join our server and open a support ticket