justafool @zeccano@qoto.org

This is excellent, thanks for sticking about for a few more minutes.

Now, part two of the math, which Ill ask you to do please. I trust you.
Using the equation attached, convert this mass from relativistic mass into rest mass.

You need to rearrange the equation cause this is for relativistic mass.

This is THE equation for calculating the relativistic mass given the rest mass.
The only possible result for a photon is ZERO.