Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:32Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
385K
det| 11 9 ; 4 12 | = 96
∇ × E = −∂B/∂t
5z² + 5z + 0 = 0
det| 6 6 ; 3 7 | = 24
det| 7 9 ; 1 8 | = 47
34K
2H₂ + O₂ → 2H₂O
E = mc²