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 23:08Z

∑_{k=1}^{n} k = n(n+1)/2

2H₂ + O₂ → 2H₂O

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

det| 4 1 ; 4 5 | = 16

10ω² + 7ω + 4 = 0

144K

iħ ∂ψ/∂t = Ĥψ

371K

∫₀^∞ e^(-x²) dx = √π / 2

E = mc²

259K

det| 7 4 ; 4 8 | = 40

86K

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

N₂ + 3H₂ ⇌ 2NH₃

224K

∂ψ/∂β = 3ψ

234K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

354K