Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 19:44Z
\frac{4}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
446K
d/dt [t^8] = 8t^7
\frac{4}{6} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
259K
∑_{k=1}^{n} k = n(n+1)/2
234K