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 13:40Z

det| 11 7 ; 6 12 | = 90

∇ × E = −∂B/∂t

168K

e^{i\pi} + 1 = 0

446K

d/dy [y^12] = 12y^11

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

144K

det| 7 4 ; 4 8 | = 40

371K

9n² + 8n + 0 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

e^{i\pi} + 1 = 0

86K

PV = nRT

224K

6n² + 7n + 6 = 0

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

F = G m₁m₂ / r²

354K

∫₀^∞ e^(-ω²) dω = √π / 2

70K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

402K