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 01:12Z

iħ ∂ψ/∂t = Ĥψ

11ψ² + 6ψ + 2 = 0

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

10t² + 5t + 5 = 0

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

144K

det| 7 2 ; 7 8 | = 42

371K

∇ × E = −∂B/∂t

8ψ² + 7ψ + 0 = 0

259K

6n² + 7n + 6 = 0

86K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

224K

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

234K

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

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

iħ ∂ψ/∂t = Ĥψ

70K