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 04:57Z

12r² + 6r + 1 = 0

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

168K

∇ × E = −∂B/∂t

446K

∑_{k=1}^{n} k = n(n+1)/2

12α² + 6α + 7 = 0

144K

7φ² + 3φ + 6 = 0

371K

4t² + 9t + 6 = 0

d/dt [t^3] = 3t^2

259K

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

86K

∇²ψ = 0

∫₀^∞ e^(-θ²) dθ = √π / 2

224K

det| 12 1 ; 5 13 | = 151

234K

F = ma

8ψ² + 7ψ + 0 = 0

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

det| 4 8 ; 7 5 | = -36

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

70K

2H₂ + O₂ → 2H₂O

402K

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