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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

7r² + 8r + 5 = 0

168K

∫₀^∞ e^(-ψ²) dψ = √π / 2

446K

3x² + 3x + 6 = 0

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

144K

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

371K

∇²t = 0

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

259K

∫₀^∞ e^(-θ²) dθ = √π / 2

86K

7z² + 2z + 0 = 0

∂ψ/∂β = 3ψ

224K

det| 11 5 ; 0 12 | = 132

234K

det| 4 2 ; 5 5 | = 10

∑_{k=1}^{n} k = n(n+1)/2

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

2H₂ + O₂ → 2H₂O

det| 7 4 ; 4 8 | = 40

70K

det| 12 1 ; 5 13 | = 151

402K

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

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