Frequently Asked Questions
RajanScience.com is a free educational platform created by Rajan Mahawar, offering smart tools, scientific calculators, and knowledge-based utilities for students, teachers, and curious minds.
Yes! Every tool and feature on RajanScience.com is 100% free to use — no registration or payment needed.
No. We respect your privacy. RajanScience.com doesn’t collect or track personal information or activity.
All calculators use verified logic and standard formulas. They're great for learning and everyday use, though double-checking is always a good habit for critical work.
Currently, an internet connection is required. Offline support may be added in future updates.
RajanScience.com was built by Rajan Mahawar — a science lover and coder from Jaipur, India — to make knowledge tools more accessible to everyone.
The site includes calculators for math, science, age, BMI, time differences, countdowns, and more. New tools are added regularly based on user needs.
The site is actively updated, sometimes weekly, with new tools, UI improvements, and bug fixes by Rajan Mahawar himself.
Yes! RajanScience.com is fully responsive and works smoothly on mobile phones, tablets, and desktops.
Yes, you can toggle dark mode using the button above for better night viewing comfort.
Definitely! Use the contact section to send your ideas directly to Rajan Mahawar. Your feedback is highly valued.
A Hindi version is planned and will be released soon to make tools easier to access for regional users and students.
Yes. RajanScience.com is safe, secure, and free of harmful code. It uses standard web practices and doesn’t ask for any private info.
You can simply copy the page URL and share it via WhatsApp, email, or social media. All tools are public and easy to access.
Nope! The site is completely ad-free for a clean, focused experience. This keeps the tools distraction-free.
Yes! Many students use RajanScience tools to support learning, projects, and assignments. You're free to reference or cite them.
A contact form will be available soon. For now, you can reach Rajan Mahawar via links provided on the contact page.
At the moment, contributions are not open — but ideas, corrections, or tool requests are always welcome!
Yes. Rajan Mahawar is committed to keeping all tools on RajanScience.com free for everyone, forever.
Not at the moment. The focus is on keeping the web version free and fast. A simple app may come in the future.
Yes, the site is indexed by Google and can be found using keywords like “RajanScience”, “free science tools”, or “scientific calculators by Rajan Mahawar”.
You can share the site on social media, link it from your blog, or suggest it to Google by visiting this link.
RajanScience.com follows SEO best practices and uses clean, lightweight code. It’s fast, mobile-friendly, and regularly updated by Rajan Mahawar — all important factors for trust on Google.
Yes! Use the contact section to share feedback, bug reports, or improvement ideas. Your input helps make the site better.
No, tool usage is private and local. Your inputs are not stored or sent to Google or any server, keeping your data safe.