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 00:19Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

iħ ∂ψ/∂t = Ĥψ

446K

3x² + 3x + 6 = 0

F = ma

144K

8γ² + 1γ + 1 = 0

371K

∇²t = 0

∇ × E = −∂B/∂t

259K

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

86K

7z² + 2z + 0 = 0

CaCO₃ → CaO + CO₂

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

det| 4 2 ; 5 5 | = 10

det| 9 4 ; 1 10 | = 86

218K

F = G m₁m₂ / r²

354K

10ψ² + 5ψ + 0 = 0

70K

∇ × E = −∂B/∂t

402K