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 01:01Z

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

10t² + 5t + 5 = 0

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

144K

1θ² + 2θ + 6 = 0

371K

∇ × E = −∂B/∂t

9θ² + 7θ + 4 = 0

259K

∂z/∂φ = 7z

86K

det| 8 7 ; 1 9 | = 65

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

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

det| 7 4 ; 4 8 | = 40

218K

det| 3 6 ; 0 4 | = 12

354K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

70K