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 00:05Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

8ψ² + 7ψ + 0 = 0

446K

3x² + 3x + 6 = 0

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

144K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

371K

∇²t = 0

det| 11 5 ; 0 12 | = 132

259K

∇²β = 0

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

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

234K

det| 12 9 ; 5 13 | = 111

218K

F = G m₁m₂ / r²

354K

iħ ∂ψ/∂t = Ĥψ

70K

iħ ∂ψ/∂t = Ĥψ

402K