Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:03Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
168K
3x² + 3x + 6 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
144K
∇²t = 0
det| 10 2 ; 3 11 | = 104
259K
\lim_{α\to 0} \frac{\sin α}{α} = 1
86K
7z² + 2z + 0 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
224K
det| 2 6 ; 0 3 | = 6
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det| 4 2 ; 5 5 | = 10
∑_{k=1}^{n} k = n(n+1)/2
218K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
354K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
402K
\lim_{x\to 0} \frac{\sin x}{x} = 1
11θ² + 6θ + 7 = 0