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 12:56Z

11z² + 8z + 4 = 0

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

168K

∇²t = 0

446K

CH₄ + 2O₂ → CO₂ + 2H₂O

iħ ∂ψ/∂t = Ĥψ

144K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

371K

det| 12 6 ; 6 13 | = 120

∑_{k=1}^{n} k = n(n+1)/2

259K

2H₂ + O₂ → 2H₂O

86K

iħ ∂ψ/∂t = Ĥψ

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

224K

∇ × E = −∂B/∂t

234K

E = mc²

det| 7 4 ; 4 8 | = 40

218K

e^{i\pi} + 1 = 0

354K

N₂ + 3H₂ ⇌ 2NH₃

70K