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Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:53Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

\oint_C \vec{F}\cdot d\vec{r} = 0

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

F = ma

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

\lim_{t\to 0} \frac{\sin t}{t} = 1

224K

7y² + 9y + 1 = 0

234K

det| 4 2 ; 5 5 | = 10

11t² + 9t + 4 = 0

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ