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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

E = mc²

168K

det| 7 4 ; 4 8 | = 40

446K

3x² + 3x + 6 = 0

det| 10 2 ; 3 11 | = 104

144K

10ψ² + 5ψ + 0 = 0

371K

∇²t = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

∂x/∂ψ = 6x

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

det| 4 2 ; 5 5 | = 10

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

∇ × E = −∂B/∂t

354K

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

70K

F = G m₁m₂ / r²

402K

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