Contact Us
Questions about a payment, a correction, or using the units with your class — write any time.
- Site
- The Math Behind the Machine (linearalgebra.info)
- Run by
- SAURABH (individual)
- Address
- G106, Tower 2, Doon Trafalgar Extension, Govind Vihar, Dehradun, Uttarakhand 248013, India
- sbh.mech@gmail.com
- Phone
- +91 97424 10308
- Grievance officer
- SAURABH — same contact details
We reply within 2 working days. For anything about a payment, please include your Razorpay payment ID.