Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:40Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
385K
det| 11 9 ; 4 12 | = 96
det| 9 4 ; 1 10 | = 86
163K
∇ × E = −∂B/∂t
det| 11 4 ; 5 12 | = 112
305K
det| 9 5 ; 1 10 | = 85
57K
5z² + 5z + 0 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
293K
∑_{k=1}^{n} k = n(n+1)/2
34K