Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 06:04Z

det| 3 9 ; 6 4 | = -42

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

446K

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

144K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

371K

2z² + 2z + 5 = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

CH₄ + 2O₂ → CO₂ + 2H₂O

86K

iħ ∂ψ/∂t = Ĥψ

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

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d/dφ [φ^1] = 1φ^0

234K

∫₀^∞ e^(-t²) dt = √π / 2

iħ ∂ψ/∂t = Ĥψ

218K

2H₂ + O₂ → 2H₂O

det| 4 5 ; 7 5 | = -15