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 06:05Z

det| 3 9 ; 6 4 | = -42

d/dθ [θ^3] = 3θ^2

168K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

446K

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

144K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

371K

2z² + 2z + 5 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

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

86K

iħ ∂ψ/∂t = Ĥψ

iħ ∂ψ/∂t = Ĥψ

224K

2γ² + 5γ + 2 = 0

234K

∫₀^∞ e^(-t²) dt = √π / 2

N₂ + 3H₂ ⇌ 2NH₃

218K

det| 3 7 ; 2 4 | = -2

354K

det| 4 5 ; 7 5 | = -15