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 04:00Z

12r² + 6r + 1 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

\lim_{β\to 0} \frac{\sin β}{β} = 1

446K

∑_{k=1}^{n} k = n(n+1)/2

det| 7 7 ; 4 8 | = 28

144K

∇ × E = −∂B/∂t

371K

4t² + 9t + 6 = 0

det| 7 4 ; 4 8 | = 40

259K

e^{i\pi} + 1 = 0

86K

∇²ψ = 0

e^{i\pi} + 1 = 0

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

F = G m₁m₂ / r²

218K

∫₀^∞ e^(-t²) dt = √π / 2

354K