description, blogger‑ready means:
No LaTeX, no MathJax, no markdown math
(so no $$, no \( \), no backticks, no code blocks)
All equations must be in plain Unicode or HTML, like:
∂²ₜΨ − v²∇²Ψ + μΨ + λ|Ψ|²Ψ = κSΨ
Formatting must be valid Blogger HTML, using only tags Blogger accepts:
,
, , , ,