Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:01Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
384K
det| 11 9 ; 4 12 | = 96
∇ × E = −∂B/∂t
det| 8 9 ; 4 9 | = 36
57K
5z² + 5z + 0 = 0
det| 7 4 ; 4 8 | = 40
110K
det| 6 6 ; 3 7 | = 24
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
354K