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

det| 7 4 ; 4 8 | = 40

168K

∇ × E = −∂B/∂t

446K

∑_{k=1}^{n} k = n(n+1)/2

\lim_{t\to 0} \frac{\sin t}{t} = 1

144K

F = ma

371K

2z² + 2z + 5 = 0

∇²γ = 0

259K

F = G m₁m₂ / r²

86K

iħ ∂ψ/∂t = Ĥψ

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K

∫₀^∞ e^(-t²) dt = √π / 2

F = G m₁m₂ / r²

218K

2H₂ + O₂ → 2H₂O

det| 4 5 ; 7 5 | = -15

7r² + 7r + 5 = 0