We value your feedback and read every message. Whether you’re learning trigonometry for the first time or teaching it in a classroom, we’re here to help
you get the most from the Visual Trigonometry platform.
Created and conceived by Sonali Khandelwal (MBA—Finance and Marketing), and
Developed and Maintained by Softusvista,
our mission is to make mathematical concepts visual, interactive, and intuitive for students, educators, and lifelong learners.
How we can help?
Learning support
Unsure how to interpret a graph or a function? Share the equation or scenario and we’ll help clarify the visual output.
Feature requests
Have an idea for a new calculator, visualization, or learning tool? Let us know what would make your trigonometry experience easier and more engaging.
Report a bug
If a graph looks incorrect or a calculation seems off, please include the specific inputs and steps so we can investigate quickly.
Content feedback
Found an area where an explanation or formula could be expanded or clarified? We welcome corrections and suggestions.
Partnerships and press
For collaborations with educators, ed-tech platforms, or academic institutions.
General questions
Anything else related to visualtrigonometry.com.
Contact form
Use the form below and we’ll get back to you.
Fields: Name, Email, Subject, Message, Page URL, Device/Browser, Optional Screenshot link.
Please feel free to Contact here.
Privacy and data
Your privacy matters. Visual Trigonometry does not store your calculator inputs or graph data on our servers and does not require sign-up.
Please avoid sharing any personal identifiers or sensitive information in your message.
For details, see our Privacy Policy.
Who you’ll reach?
Owner: Sonali Khandelwal
City, State, Country: Fremont, California, USA
Publisher: Softusvista Inc
(We’ll route your message to the right person—content team, engineering, or the founder—based on your subject.)
What to include in your message (to speed things up)
- The calculator or visualization page you were using (paste the URL)
- Your trigonometric input or equation (e.g., sin(45°), tan(x)=1, etc.)
- What you expected vs. what you observed
- Device and browser (e.g., Windows 10 – Chrome)
- Screenshots (optional but helpful)
Response time
We aim to reply as soon as possible. If volume is high, it may take a little longer, but we do read every message.
Important note (educational use only)
Visual Trigonometry is an educational and learning support tool. It does not replace formal instruction or certified course material.
Please consult a qualified teacher or tutor for detailed academic guidance.
See our Disclaimer and Terms of Use.
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