Get in Touch with Dhruvrajsinh Parmar
We welcome all inquiries regarding our calculation engines, advertising collaborations, new tool recommendations, or calculation bug reports. Please use our direct communication channels below.
Direct Official Email
rang.dhruvrajparmar@gmail.comDedicated inbox monitored daily for all user & business inquiries.
Operating Company
Dhruvrajsinh Parmar
Web Applications, Computational Systems & Software Engineering.
Website Platform
GlobalCalculators
High precision, mobile-first free online calculation hub.
Support Response SLA
24 – 48 Business Hours
Monday through Saturday, Standard Business Hours.
Guidance for Specific Types of Inquiries:
🛠️ Calculator Feature Requests & Feedback
If you are an educator, student, or finance professional seeking a specific calculation model (e.g. specialized state tax tables or engineering conversions), please email us with "Feature Request" in the subject line.
🐛 Calculation Bug or Formula Discrepancy
We hold mathematical accuracy to the highest standard. If you notice a formula anomaly, please email us with your input parameters, expected result, and relevant institutional standard reference.
💼 Business, Press & Advertising Inquiries
For programmatic advertising arrangements, content syndication, or technology partnerships, please email with "Business Inquiry" in the subject line.
Communication & Support Frequently Asked Questions
How quickly will I receive an engineering response?
Our direct engineering inbox is monitored throughout standard business days (Monday through Saturday). General user feedback and feature requests receive acknowledgment within 24 to 48 business hours. Critical algorithmic error submissions are escalated with high priority.
Do you accept external guest posts or sponsored links?
GlobalCalculators maintains strict editorial independence and mathematical integrity. We do not participate in paid text-link schemes, sponsored guest articles, or misleading product endorsements. All tools are published purely for free consumer utility.
Can educational institutions request custom calculators?
Yes. High school mathematics departments, university science labs, and vocational training academies frequently contact us to suggest specialized computational modules. Please provide formal curriculum references in your request.
Are user emails or messages stored in advertising databases?
Never. Your email address and message contents are utilized solely to correspond regarding your specific inquiry. We enforce a zero-telemetry policy and never sell or share contact details with third-party data brokers.