To understand how this works, we have to look at “calculator spelling.” This is the same trick many people used as kids, where you would type numbers into a calculator and turn it over to see words like “B.0.0..B.I.E.S” ($5318008$) or “HELLO” ($0.7734$).
Breaking Down the Code
When you rotate 370HSSV by 180 degrees, the symbols change their appearance:
